Also, what distribution and kernel version are you using? -Sam On Jul 12, 2014 10:46 AM, "Samuel Just" <sam.just at inktank.com> wrote: > When you see another one, can you include the xattrs on the files as > well (you can use the attr(1) utility)? > -Sam > > On Sat, Jul 12, 2014 at 9:51 AM, Randy Smith <rbsmith at adams.edu> wrote: > > That image is the root file system for a linux ldap server. > > > > -- > > Randall Smith > > Adams State University > > www.adams.edu > > 719-587-7741 > > > > On Jul 12, 2014 10:34 AM, "Samuel Just" <sam.just at inktank.com> wrote: > >> > >> Here's a diff of the two files. One of the two files appears to > >> contain ceph leveldb keys? Randy, do you have an idea of what this > >> rbd image is being used for (rb.0.b0ce3.238e1f29, that is). > >> -Sam > >> > >> On Fri, Jul 11, 2014 at 7:25 PM, Randy Smith <rbsmith at adams.edu> wrote: > >> > Greetings, > >> > > >> > Well it happened again with two pgs this time, still in the same rbd > >> > image. > >> > They are at http://people.adams.edu/~rbsmith/osd.tar. I think I > grabbed > >> > the > >> > files correctly. If not, let me know and I'll try again on the next > >> > failure. > >> > It certainly is happening often enough. > >> > > >> > > >> > On Fri, Jul 11, 2014 at 3:39 PM, Samuel Just <sam.just at inktank.com> > >> > wrote: > >> >> > >> >> And grab the xattrs as well. > >> >> -Sam > >> >> > >> >> On Fri, Jul 11, 2014 at 2:39 PM, Samuel Just <sam.just at inktank.com> > >> >> wrote: > >> >> > Right. > >> >> > -Sam > >> >> > > >> >> > On Fri, Jul 11, 2014 at 2:05 PM, Randy Smith <rbsmith at adams.edu> > >> >> > wrote: > >> >> >> Greetings, > >> >> >> > >> >> >> I'm using xfs. > >> >> >> > >> >> >> Also, when, in a previous email, you asked if I could send the > >> >> >> object, > >> >> >> do > >> >> >> you mean the files from each server named something like this: > >> >> >> > >> >> >> > >> >> >> > ./3.c6_head/DIR_6/DIR_C/DIR_5/rb.0.b0ce3.238e1f29.00000000000b__head_34DC35C6__3 > >> >> >> ? > >> >> >> > >> >> >> > >> >> >> On Fri, Jul 11, 2014 at 2:00 PM, Samuel Just < > sam.just at inktank.com> > >> >> >> wrote: > >> >> >>> > >> >> >>> Also, what filesystem are you using? > >> >> >>> -Sam > >> >> >>> > >> >> >>> On Fri, Jul 11, 2014 at 10:37 AM, Sage Weil <sweil at redhat.com> > >> >> >>> wrote: > >> >> >>> > One other thing we might also try is catching this earlier (on > >> >> >>> > first > >> >> >>> > read > >> >> >>> > of corrupt data) instead of waiting for scrub. If you are not > >> >> >>> > super > >> >> >>> > performance sensitive, you can add > >> >> >>> > > >> >> >>> > filestore sloppy crc = true > >> >> >>> > filestore sloppy crc block size = 524288 > >> >> >>> > > >> >> >>> > That will track and verify CRCs on any large (>512k) writes. > >> >> >>> > Smaller > >> >> >>> > block sizes will give more precision and more checks, but will > >> >> >>> > generate > >> >> >>> > larger xattrs and have a bigger impact on performance... > >> >> >>> > > >> >> >>> > sage > >> >> >>> > > >> >> >>> > > >> >> >>> > On Fri, 11 Jul 2014, Samuel Just wrote: > >> >> >>> > > >> >> >>> >> When you get the next inconsistency, can you copy the actual > >> >> >>> >> objects > >> >> >>> >> from the osd store trees and get them to us? That might > provide > >> >> >>> >> a > >> >> >>> >> clue. > >> >> >>> >> -Sam > >> >> >>> >> > >> >> >>> >> On Fri, Jul 11, 2014 at 6:52 AM, Randy Smith < > rbsmith at adams.edu> > >> >> >>> >> wrote: > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > On Thu, Jul 10, 2014 at 4:40 PM, Samuel Just > >> >> >>> >> > <sam.just at inktank.com> > >> >> >>> >> > wrote: > >> >> >>> >> >> > >> >> >>> >> >> It could be an indication of a problem on osd 5, but the > >> >> >>> >> >> timing > >> >> >>> >> >> is > >> >> >>> >> >> worrying. Can you attach your ceph.conf? > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > Attached. > >> >> >>> >> > > >> >> >>> >> >> > >> >> >>> >> >> Have there been any osds > >> >> >>> >> >> going down, new osds added, anything to cause recovery? > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > I upgraded to firefly last week. As part of the upgrade I, > >> >> >>> >> > obviously, > >> >> >>> >> > had to > >> >> >>> >> > restart every osd. Also, I attempted to switch to the > optimal > >> >> >>> >> > tunables but > >> >> >>> >> > doing so degraded 27% of my cluster and made most of my VMs > >> >> >>> >> > unresponsive. I > >> >> >>> >> > switched back to the legacy tunables and everything was > happy > >> >> >>> >> > again. > >> >> >>> >> > Both of > >> >> >>> >> > those operations, of course, caused recoveries. I have made > no > >> >> >>> >> > changes since > >> >> >>> >> > then. > >> >> >>> >> > > >> >> >>> >> >> > >> >> >>> >> >> Anything in > >> >> >>> >> >> dmesg to indicate an fs problem? > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > Nothing. The system went inconsistent again this morning, > >> >> >>> >> > again > >> >> >>> >> > on > >> >> >>> >> > the same > >> >> >>> >> > rbd but different osds this time. > >> >> >>> >> > > >> >> >>> >> > 2014-07-11 05:48:12.857657 osd.1 192.168.253.77:6801/12608 > 904 > >> >> >>> >> > : > >> >> >>> >> > [ERR] 3.76 > >> >> >>> >> > shard 1: soid > 1280076/rb.0.b0ce3.238e1f29.00000000025c/head//3 > >> >> >>> >> > digest > >> >> >>> >> > 2198242284 != known digest 3879754377 > >> >> >>> >> > 2014-07-11 05:49:29.020024 osd.1 192.168.253.77:6801/12608 > 905 > >> >> >>> >> > : > >> >> >>> >> > [ERR] 3.76 > >> >> >>> >> > deep-scrub 0 missing, 1 inconsistent objects > >> >> >>> >> > 2014-07-11 05:49:29.020029 osd.1 192.168.253.77:6801/12608 > 906 > >> >> >>> >> > : > >> >> >>> >> > [ERR] 3.76 > >> >> >>> >> > deep-scrub 1 errors > >> >> >>> >> > > >> >> >>> >> > $ ceph health detail > >> >> >>> >> > HEALTH_ERR 1 pgs inconsistent; 1 scrub errors > >> >> >>> >> > pg 3.76 is active+clean+inconsistent, acting [1,2] > >> >> >>> >> > 1 scrub errors > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> >> > >> >> >>> >> >> Have you recently changed any > >> >> >>> >> >> settings? > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > I upgraded from bobtail to dumpling to firefly. > >> >> >>> >> > > >> >> >>> >> >> > >> >> >>> >> >> -Sam > >> >> >>> >> >> > >> >> >>> >> >> On Thu, Jul 10, 2014 at 2:58 PM, Randy Smith > >> >> >>> >> >> <rbsmith at adams.edu> > >> >> >>> >> >> wrote: > >> >> >>> >> >> > Greetings, > >> >> >>> >> >> > > >> >> >>> >> >> > Just a follow up on my original issue. =ceph pg repair > ...= > >> >> >>> >> >> > fixed > >> >> >>> >> >> > the > >> >> >>> >> >> > problem. However, today I got another inconsistent pg. > It's > >> >> >>> >> >> > interesting > >> >> >>> >> >> > to > >> >> >>> >> >> > me that this second error is in the same rbd image and > >> >> >>> >> >> > appears > >> >> >>> >> >> > to > >> >> >>> >> >> > be > >> >> >>> >> >> > "close" > >> >> >>> >> >> > to the previously inconsistent pg. (Even more fun, osd.5 > >> >> >>> >> >> > was > >> >> >>> >> >> > the > >> >> >>> >> >> > secondary > >> >> >>> >> >> > in the first error and is the primary here though the > other > >> >> >>> >> >> > osd is > >> >> >>> >> >> > different.) > >> >> >>> >> >> > > >> >> >>> >> >> > Is this indicative of a problem on osd.5 or perhaps a > clue > >> >> >>> >> >> > into > >> >> >>> >> >> > what's > >> >> >>> >> >> > causing firefly to be so inconsistent? > >> >> >>> >> >> > > >> >> >>> >> >> > The relevant log entries are below. > >> >> >>> >> >> > > >> >> >>> >> >> > 2014-07-07 18:50:48.646407 osd.2 > 192.168.253.70:6801/56987 > >> >> >>> >> >> > 163 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.c6 > >> >> >>> >> >> > shard 2: soid > >> >> >>> >> >> > 34dc35c6/rb.0.b0ce3.238e1f29.00000000000b/head//3 > >> >> >>> >> >> > digest > >> >> >>> >> >> > 2256074002 != known digest 3998068918 > >> >> >>> >> >> > 2014-07-07 18:51:36.936076 osd.2 > 192.168.253.70:6801/56987 > >> >> >>> >> >> > 164 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.c6 > >> >> >>> >> >> > deep-scrub 0 missing, 1 inconsistent objects > >> >> >>> >> >> > 2014-07-07 18:51:36.936082 osd.2 > 192.168.253.70:6801/56987 > >> >> >>> >> >> > 165 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.c6 > >> >> >>> >> >> > deep-scrub 1 errors > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > 2014-07-10 15:38:53.990328 osd.5 > 192.168.253.81:6800/10013 > >> >> >>> >> >> > 257 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.41 > >> >> >>> >> >> > shard 1: soid > >> >> >>> >> >> > e183cc41/rb.0.b0ce3.238e1f29.00000000024c/head//3 > >> >> >>> >> >> > digest > >> >> >>> >> >> > 3224286363 != known digest 3409342281 > >> >> >>> >> >> > 2014-07-10 15:39:11.701276 osd.5 > 192.168.253.81:6800/10013 > >> >> >>> >> >> > 258 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.41 > >> >> >>> >> >> > deep-scrub 0 missing, 1 inconsistent objects > >> >> >>> >> >> > 2014-07-10 15:39:11.701281 osd.5 > 192.168.253.81:6800/10013 > >> >> >>> >> >> > 259 > >> >> >>> >> >> > : > >> >> >>> >> >> > [ERR] > >> >> >>> >> >> > 3.41 > >> >> >>> >> >> > deep-scrub 1 errors > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > On Thu, Jul 10, 2014 at 12:05 PM, Chahal, Sudip > >> >> >>> >> >> > <sudip.chahal at intel.com> > >> >> >>> >> >> > wrote: > >> >> >>> >> >> >> > >> >> >>> >> >> >> Thanks - so it appears that the advantage of the 3rd > >> >> >>> >> >> >> replica > >> >> >>> >> >> >> (relative > >> >> >>> >> >> >> to > >> >> >>> >> >> >> 2 replicas) has to do much more with recovering from two > >> >> >>> >> >> >> concurrent OSD > >> >> >>> >> >> >> failures than with inconsistencies found during deep > scrub > >> >> >>> >> >> >> - > >> >> >>> >> >> >> would you > >> >> >>> >> >> >> agree? > >> >> >>> >> >> >> > >> >> >>> >> >> >> Re: repair - do you mean the "repair" process during > deep > >> >> >>> >> >> >> scrub > >> >> >>> >> >> >> - if > >> >> >>> >> >> >> yes, > >> >> >>> >> >> >> this is automatic - correct? > >> >> >>> >> >> >> Or > >> >> >>> >> >> >> Are you referring to the explicit manually initiated > >> >> >>> >> >> >> repair > >> >> >>> >> >> >> commands? > >> >> >>> >> >> >> > >> >> >>> >> >> >> Thanks, > >> >> >>> >> >> >> > >> >> >>> >> >> >> -Sudip > >> >> >>> >> >> >> > >> >> >>> >> >> >> -----Original Message----- > >> >> >>> >> >> >> From: Samuel Just [mailto:sam.just at inktank.com] > >> >> >>> >> >> >> Sent: Thursday, July 10, 2014 10:50 AM > >> >> >>> >> >> >> To: Chahal, Sudip > >> >> >>> >> >> >> Cc: Christian Eichelmann; ceph-users at lists.ceph.com > >> >> >>> >> >> >> Subject: Re: [ceph-users] scrub error on firefly > >> >> >>> >> >> >> > >> >> >>> >> >> >> Repair I think will tend to choose the copy with the > >> >> >>> >> >> >> lowest > >> >> >>> >> >> >> osd > >> >> >>> >> >> >> number > >> >> >>> >> >> >> which is not obviously corrupted. Even with three > >> >> >>> >> >> >> replicas, > >> >> >>> >> >> >> it > >> >> >>> >> >> >> does > >> >> >>> >> >> >> not do > >> >> >>> >> >> >> any kind of voting at this time. > >> >> >>> >> >> >> -Sam > >> >> >>> >> >> >> > >> >> >>> >> >> >> On Thu, Jul 10, 2014 at 10:39 AM, Chahal, Sudip > >> >> >>> >> >> >> <sudip.chahal at intel.com> > >> >> >>> >> >> >> wrote: > >> >> >>> >> >> >> > I've a basic related question re: Firefly operation - > >> >> >>> >> >> >> > would > >> >> >>> >> >> >> > appreciate > >> >> >>> >> >> >> > any insights: > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > With three replicas, if checksum inconsistencies > across > >> >> >>> >> >> >> > replicas are > >> >> >>> >> >> >> > found during deep-scrub then: > >> >> >>> >> >> >> > a. does the majority win or is the primary > >> >> >>> >> >> >> > always > >> >> >>> >> >> >> > the > >> >> >>> >> >> >> > winner > >> >> >>> >> >> >> > and used to overwrite the secondaries > >> >> >>> >> >> >> > b. is this reconciliation done > >> >> >>> >> >> >> > automatically > >> >> >>> >> >> >> > during > >> >> >>> >> >> >> > deep-scrub or does each reconciliation have to be > >> >> >>> >> >> >> > executed > >> >> >>> >> >> >> > manually > >> >> >>> >> >> >> > by the > >> >> >>> >> >> >> > administrator? > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > With 2 replicas - how are things different (if at > all): > >> >> >>> >> >> >> > a. The primary is declared the winner - > >> >> >>> >> >> >> > correct? > >> >> >>> >> >> >> > b. is this reconciliation done > >> >> >>> >> >> >> > automatically > >> >> >>> >> >> >> > during > >> >> >>> >> >> >> > deep-scrub or does it have to be done "manually" > because > >> >> >>> >> >> >> > there > >> >> >>> >> >> >> > is no > >> >> >>> >> >> >> > majority? > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > Thanks, > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > -Sudip > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > -----Original Message----- > >> >> >>> >> >> >> > From: ceph-users > >> >> >>> >> >> >> > [mailto:ceph-users-bounces at lists.ceph.com] > >> >> >>> >> >> >> > On > >> >> >>> >> >> >> > Behalf > >> >> >>> >> >> >> > Of Samuel Just > >> >> >>> >> >> >> > Sent: Thursday, July 10, 2014 10:16 AM > >> >> >>> >> >> >> > To: Christian Eichelmann > >> >> >>> >> >> >> > Cc: ceph-users at lists.ceph.com > >> >> >>> >> >> >> > Subject: Re: [ceph-users] scrub error on firefly > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > Can you attach your ceph.conf for your osds? > >> >> >>> >> >> >> > -Sam > >> >> >>> >> >> >> > > >> >> >>> >> >> >> > On Thu, Jul 10, 2014 at 8:01 AM, Christian Eichelmann > >> >> >>> >> >> >> > <christian.eichelmann at 1und1.de> wrote: > >> >> >>> >> >> >> >> I can also confirm that after upgrading to firefly > both > >> >> >>> >> >> >> >> of > >> >> >>> >> >> >> >> our > >> >> >>> >> >> >> >> clusters (test and live) were going from 0 scrub > errors > >> >> >>> >> >> >> >> each > >> >> >>> >> >> >> >> for > >> >> >>> >> >> >> >> about > >> >> >>> >> >> >> >> 6 Month to about 9-12 per week... > >> >> >>> >> >> >> >> This also makes me kind of nervous, since as far as I > >> >> >>> >> >> >> >> know > >> >> >>> >> >> >> >> everything > >> >> >>> >> >> >> >> "ceph pg repair" does, is to copy the primary object > to > >> >> >>> >> >> >> >> all > >> >> >>> >> >> >> >> replicas, > >> >> >>> >> >> >> >> no matter which object is the correct one. > >> >> >>> >> >> >> >> Of course the described method of manual checking > works > >> >> >>> >> >> >> >> (for > >> >> >>> >> >> >> >> pools > >> >> >>> >> >> >> >> with more than 2 replicas), but doing this in a large > >> >> >>> >> >> >> >> cluster > >> >> >>> >> >> >> >> nearly > >> >> >>> >> >> >> >> every week is horribly timeconsuming and error prone. > >> >> >>> >> >> >> >> It would be great to get an explanation for the > >> >> >>> >> >> >> >> increased > >> >> >>> >> >> >> >> numbers of > >> >> >>> >> >> >> >> scrub errors since firefly. Were they just not > detected > >> >> >>> >> >> >> >> correctly in > >> >> >>> >> >> >> >> previous versions? Or is there maybe something wrong > >> >> >>> >> >> >> >> with > >> >> >>> >> >> >> >> the > >> >> >>> >> >> >> >> new > >> >> >>> >> >> >> >> code? > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> Acutally, our company is currently preventing our > >> >> >>> >> >> >> >> projects > >> >> >>> >> >> >> >> to > >> >> >>> >> >> >> >> move > >> >> >>> >> >> >> >> to > >> >> >>> >> >> >> >> ceph because of this problem. > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> Regards, > >> >> >>> >> >> >> >> Christian > >> >> >>> >> >> >> >> ________________________________ > >> >> >>> >> >> >> >> Von: ceph-users [ceph-users-bounces at lists.ceph.com]" > im > >> >> >>> >> >> >> >> Auftrag von > >> >> >>> >> >> >> >> "Travis Rhoden [trhoden at gmail.com] > >> >> >>> >> >> >> >> Gesendet: Donnerstag, 10. Juli 2014 16:24 > >> >> >>> >> >> >> >> An: Gregory Farnum > >> >> >>> >> >> >> >> Cc: ceph-users at lists.ceph.com > >> >> >>> >> >> >> >> Betreff: Re: [ceph-users] scrub error on firefly > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> And actually just to follow-up, it does seem like > there > >> >> >>> >> >> >> >> are > >> >> >>> >> >> >> >> some > >> >> >>> >> >> >> >> additional smarts beyond just using the primary to > >> >> >>> >> >> >> >> overwrite > >> >> >>> >> >> >> >> the > >> >> >>> >> >> >> >> secondaries... Since I captured md5 sums before and > >> >> >>> >> >> >> >> after > >> >> >>> >> >> >> >> the > >> >> >>> >> >> >> >> repair, I can say that in this particular instance, > the > >> >> >>> >> >> >> >> secondary > >> >> >>> >> >> >> >> copy > >> >> >>> >> >> >> >> was used to overwrite the primary. > >> >> >>> >> >> >> >> So, I'm just trusting Ceph to the right thing, and so > >> >> >>> >> >> >> >> far > >> >> >>> >> >> >> >> it > >> >> >>> >> >> >> >> seems > >> >> >>> >> >> >> >> to, but the comments here about needing to determine > >> >> >>> >> >> >> >> the > >> >> >>> >> >> >> >> correct > >> >> >>> >> >> >> >> object and place it on the primary PG make me wonder > if > >> >> >>> >> >> >> >> I've > >> >> >>> >> >> >> >> been > >> >> >>> >> >> >> >> missing something. > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> - Travis > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> On Thu, Jul 10, 2014 at 10:19 AM, Travis Rhoden > >> >> >>> >> >> >> >> <trhoden at gmail.com> > >> >> >>> >> >> >> >> wrote: > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> I can also say that after a recent upgrade to > Firefly, > >> >> >>> >> >> >> >>> I > >> >> >>> >> >> >> >>> have > >> >> >>> >> >> >> >>> experienced massive uptick in scrub errors. The > >> >> >>> >> >> >> >>> cluster > >> >> >>> >> >> >> >>> was > >> >> >>> >> >> >> >>> on > >> >> >>> >> >> >> >>> cuttlefish for about a year, and had maybe one or > two > >> >> >>> >> >> >> >>> scrub > >> >> >>> >> >> >> >>> errors. > >> >> >>> >> >> >> >>> After upgrading to Firefly, we've probably seen 3 > to 4 > >> >> >>> >> >> >> >>> dozen > >> >> >>> >> >> >> >>> in the > >> >> >>> >> >> >> >>> last month or so (was getting 2-3 a day for a few > >> >> >>> >> >> >> >>> weeks > >> >> >>> >> >> >> >>> until > >> >> >>> >> >> >> >>> the > >> >> >>> >> >> >> >>> whole cluster was rescrubbed, it seemed). > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> What I cannot determine, however, is how to know > which > >> >> >>> >> >> >> >>> object > >> >> >>> >> >> >> >>> is > >> >> >>> >> >> >> >>> busted? > >> >> >>> >> >> >> >>> For example, just today I ran into a scrub error. > The > >> >> >>> >> >> >> >>> object > >> >> >>> >> >> >> >>> has > >> >> >>> >> >> >> >>> two copies and is an 8MB piece of an RBD, and has > >> >> >>> >> >> >> >>> identical > >> >> >>> >> >> >> >>> timestamps, identical xattrs names and values. But > it > >> >> >>> >> >> >> >>> definitely > >> >> >>> >> >> >> >>> has a different > >> >> >>> >> >> >> >>> MD5 sum. How to know which one is correct? > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> I've been just kicking off pg repair each time, > which > >> >> >>> >> >> >> >>> seems > >> >> >>> >> >> >> >>> to just > >> >> >>> >> >> >> >>> use the primary copy to overwrite the others. > Haven't > >> >> >>> >> >> >> >>> run > >> >> >>> >> >> >> >>> into any > >> >> >>> >> >> >> >>> issues with that so far, but it does make me > nervous. > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> - Travis > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> On Tue, Jul 8, 2014 at 1:06 AM, Gregory Farnum > >> >> >>> >> >> >> >>> <greg at inktank.com> > >> >> >>> >> >> >> >>> wrote: > >> >> >>> >> >> >> >>>> > >> >> >>> >> >> >> >>>> It's not very intuitive or easy to look at right > now > >> >> >>> >> >> >> >>>> (there > >> >> >>> >> >> >> >>>> are > >> >> >>> >> >> >> >>>> plans from the recent developer summit to improve > >> >> >>> >> >> >> >>>> things), > >> >> >>> >> >> >> >>>> but the > >> >> >>> >> >> >> >>>> central log should have output about exactly what > >> >> >>> >> >> >> >>>> objects > >> >> >>> >> >> >> >>>> are > >> >> >>> >> >> >> >>>> busted. You'll then want to compare the copies > >> >> >>> >> >> >> >>>> manually > >> >> >>> >> >> >> >>>> to > >> >> >>> >> >> >> >>>> determine which ones are good or bad, get the good > >> >> >>> >> >> >> >>>> copy > >> >> >>> >> >> >> >>>> on > >> >> >>> >> >> >> >>>> the > >> >> >>> >> >> >> >>>> primary (make sure you preserve xattrs), and run > >> >> >>> >> >> >> >>>> repair. > >> >> >>> >> >> >> >>>> -Greg > >> >> >>> >> >> >> >>>> Software Engineer #42 @ http://inktank.com | > >> >> >>> >> >> >> >>>> http://ceph.com > >> >> >>> >> >> >> >>>> > >> >> >>> >> >> >> >>>> > >> >> >>> >> >> >> >>>> On Mon, Jul 7, 2014 at 6:48 PM, Randy Smith > >> >> >>> >> >> >> >>>> <rbsmith at adams.edu> > >> >> >>> >> >> >> >>>> wrote: > >> >> >>> >> >> >> >>>> > Greetings, > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > I upgraded to firefly last week and I suddenly > >> >> >>> >> >> >> >>>> > received > >> >> >>> >> >> >> >>>> > this > >> >> >>> >> >> >> >>>> > error: > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > health HEALTH_ERR 1 pgs inconsistent; 1 scrub > >> >> >>> >> >> >> >>>> > errors > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > ceph health detail shows the following: > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > HEALTH_ERR 1 pgs inconsistent; 1 scrub errors pg > >> >> >>> >> >> >> >>>> > 3.c6 > >> >> >>> >> >> >> >>>> > is > >> >> >>> >> >> >> >>>> > active+clean+inconsistent, acting [2,5] > >> >> >>> >> >> >> >>>> > 1 scrub errors > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > The docs say that I can run `ceph pg repair 3.c6` > >> >> >>> >> >> >> >>>> > to > >> >> >>> >> >> >> >>>> > fix > >> >> >>> >> >> >> >>>> > this. > >> >> >>> >> >> >> >>>> > What I want to know is what are the risks of data > >> >> >>> >> >> >> >>>> > loss > >> >> >>> >> >> >> >>>> > if > >> >> >>> >> >> >> >>>> > I run > >> >> >>> >> >> >> >>>> > that command in this state and how can I mitigate > >> >> >>> >> >> >> >>>> > them? > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > -- > >> >> >>> >> >> >> >>>> > Randall Smith > >> >> >>> >> >> >> >>>> > Computing Services > >> >> >>> >> >> >> >>>> > Adams State University > >> >> >>> >> >> >> >>>> > http://www.adams.edu/ > >> >> >>> >> >> >> >>>> > 719-587-7741 > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > _______________________________________________ > >> >> >>> >> >> >> >>>> > ceph-users mailing list > >> >> >>> >> >> >> >>>> > ceph-users at lists.ceph.com > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> >> >>>> > > >> >> >>> >> >> >> >>>> _______________________________________________ > >> >> >>> >> >> >> >>>> ceph-users mailing list > >> >> >>> >> >> >> >>>> ceph-users at lists.ceph.com > >> >> >>> >> >> >> >>>> > >> >> >>> >> >> >> >>>> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >>> > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> >> _______________________________________________ > >> >> >>> >> >> >> >> ceph-users mailing list > >> >> >>> >> >> >> >> ceph-users at lists.ceph.com > >> >> >>> >> >> >> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> >> >> > >> >> >>> >> >> >> > _______________________________________________ > >> >> >>> >> >> >> > ceph-users mailing list > >> >> >>> >> >> >> > ceph-users at lists.ceph.com > >> >> >>> >> >> >> > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> >> _______________________________________________ > >> >> >>> >> >> >> ceph-users mailing list > >> >> >>> >> >> >> ceph-users at lists.ceph.com > >> >> >>> >> >> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > > >> >> >>> >> >> > -- > >> >> >>> >> >> > Randall Smith > >> >> >>> >> >> > Computing Services > >> >> >>> >> >> > Adams State University > >> >> >>> >> >> > http://www.adams.edu/ > >> >> >>> >> >> > 719-587-7741 > >> >> >>> >> >> > > >> >> >>> >> >> > _______________________________________________ > >> >> >>> >> >> > ceph-users mailing list > >> >> >>> >> >> > ceph-users at lists.ceph.com > >> >> >>> >> >> > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > > >> >> >>> >> > -- > >> >> >>> >> > Randall Smith > >> >> >>> >> > Computing Services > >> >> >>> >> > Adams State University > >> >> >>> >> > http://www.adams.edu/ > >> >> >>> >> > 719-587-7741 > >> >> >>> >> _______________________________________________ > >> >> >>> >> ceph-users mailing list > >> >> >>> >> ceph-users at lists.ceph.com > >> >> >>> >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >> >> >>> >> > >> >> >>> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> > >> >> >> -- > >> >> >> Randall Smith > >> >> >> Computing Services > >> >> >> Adams State University > >> >> >> http://www.adams.edu/ > >> >> >> 719-587-7741 > >> > > >> > > >> > > >> > > >> > -- > >> > Randall Smith > >> > Computing Services > >> > Adams State University > >> > http://www.adams.edu/ > >> > 719-587-7741 > -------------- next part -------------- An HTML attachment was scrubbed... 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