Re: Input/output error - would not heal

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On 07/02/17 12:50, Nag Pavan Chilakam wrote:
Hi,
Can you help us with more information on the volume, like volume status and volume info
One reason of "transport endpoint error" is the brick could be down

Also, i see that the syntax used for healing is wrong.
You need to use as below:
gluster v heal <vname> split-brain source-brick <brick path> <filename considering brick path as />

In yourcase if brick path is "/G-store/1" and the file to be healed is "that_file" , then use below syntax (in this case i am considering "that_file" lying under the brick path directly"

gluster volume heal USER-HOME split-brain source-brick 10.5.6.100:/G-store/1 /that_file

that was that, my copy-paste typo, it does not heal. Interestingly, that file is not reported by heal.

I've replied to -  GFID Mismatch - Automatic Correction ? - I think my problem is similar, here is a file the heal actually sees:


$ gluster vol heal USER-HOME info
Brick 10.5.6.100:/__.aLocalStorages/3/0-GLUSTERs/0-USER.HOME/aUser/.vim.backup/.bash_profile.swp
Status: Connected
Number of entries: 1

Brick 10.5.6.49:/__.aLocalStorages/3/0-GLUSTERs/0-USER.HOME/aUser/.vim.backup/.bash_profile.swp
Status: Connected
Number of entries: 1

I'm copying+pasting what I said in that reply to that thread:
...

yep, I'm seeing the same:
as follows:
3]$ getfattr -d -m . -e hex .
# file: .
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.USER-HOME-client-2=0x000000000000000000000000
trusted.afr.USER-HOME-client-3=0x000000000000000000000000
trusted.afr.USER-HOME-client-5=0x000000000000000000000000
trusted.afr.dirty=0x000000000000000000000000
trusted.gfid=0x06341b521ba94ab7938eca57f7a1824f
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5898e0cf000dd2fe
trusted.glusterfs.dht=0x000000010000000000000000ffffffff
trusted.glusterfs.quota.00000000-0000-0000-0000-000000000001.contri.1=0x00701c90fcb11200fffffef6f08c798e0000006a99819205
trusted.glusterfs.quota.dirty=0x3000
trusted.glusterfs.quota.size.1=0x00701c90fcb11200fffffef6f08c798e0000006a99819205
3]$ getfattr -d -m . -e hex .vim.backup
# file: .vim.backup
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.USER-HOME-client-3=0x000000000000000000000000
trusted.gfid=0x0b3a223955534de89086679a4dce8156
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5898621c0005d720
trusted.glusterfs.dht=0x000000010000000000000000ffffffff
trusted.glusterfs.quota.06341b52-1ba9-4ab7-938e-ca57f7a1824f.contri.1=0x000000000000040000000000000000020000000000000001
trusted.glusterfs.quota.dirty=0x3000
trusted.glusterfs.quota.size.1=0x000000000000040000000000000000020000000000000001
3]$ getfattr -d -m . -e hex .vim.backup/.bash_profile.swp
# file: .vim.backup/.bash_profile.swp
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.USER-HOME-client-0=0x000000010000000100000000
trusted.afr.USER-HOME-client-5=0x000000010000000100000000
trusted.gfid=0xc2693670fc6d4fed953f21dcb77a02cf
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5896043c000baa55
trusted.glusterfs.quota.0b3a2239-5553-4de8-9086-679a4dce8156.contri.1=0x00000000000000000000000000000001
trusted.pgfid.0b3a2239-5553-4de8-9086-679a4dce8156=0x00000001

2]$ getfattr -d -m . -e hex .
# file: .
security.selinux=0x73797374656d5f753a6f626a6563745f723a64656661756c745f743a733000
trusted.afr.USER-HOME-client-1=0x000000000000000000000000
trusted.afr.USER-HOME-client-2=0x000000000000000000000000
trusted.afr.USER-HOME-client-3=0x000000000000000000000000
trusted.afr.USER-HOME-client-5=0x000000000000000000000000
trusted.afr.dirty=0x000000000000000000000000
trusted.gfid=0x06341b521ba94ab7938eca57f7a1824f
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5898e0d000016f82
trusted.glusterfs.dht=0x000000010000000000000000ffffffff
trusted.glusterfs.quota.00000000-0000-0000-0000-000000000001.contri.1=0xa5e66200a7a45000cb96fbf7d6336229fae7152d8851097b
trusted.glusterfs.quota.dirty=0x3000
trusted.glusterfs.quota.size.1=0xa5e66200a7a45000cb96fbf7d6336229fae7152d8851097b
2]$ getfattr -d -m . -e hex .vim.backup
# file: .vim.backup
security.selinux=0x73797374656d5f753a6f626a6563745f723a64656661756c745f743a733000
trusted.afr.USER-HOME-client-3=0x000000000000000000000000
trusted.gfid=0x0b3a223955534de89086679a4dce8156
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5898621b000855fe
trusted.glusterfs.dht=0x000000010000000000000000ffffffff
trusted.glusterfs.quota.06341b52-1ba9-4ab7-938e-ca57f7a1824f.contri.1=0x000000000000040000000000000000020000000000000001
trusted.glusterfs.quota.dirty=0x3000
trusted.glusterfs.quota.size.1=0x000000000000040000000000000000020000000000000001
2]$ getfattr -d -m . -e hex .vim.backup/.bash_profile.swp
# file: .vim.backup/.bash_profile.swp
security.selinux=0x73797374656d5f753a6f626a6563745f723a64656661756c745f743a733000
trusted.afr.USER-HOME-client-5=0x000000010000000100000000
trusted.afr.USER-HOME-client-6=0x000000010000000100000000
trusted.gfid=0x8a5b6e4ad18a49d0bae920c9cf8673a5
trusted.glusterfs.9e4ed9b7-373a-413b-bc82-b6f978e82ec4.xtime=0x5896041400058191
trusted.glusterfs.quota.0b3a2239-5553-4de8-9086-679a4dce8156.contri.1=0x00000000000000000000000000000001
trusted.pgfid.0b3a2239-5553-4de8-9086-679a4dce8156=0x00000001


and the log bit:

GFID mismatch for <gfid:335bf026-68bd-4bf4-9cba-63b65b12c0b1>/abbreviations.xlsx 6e9a7fa1-bfbe-4a59-ad06-a78ee1625649 on USER-HOME-client-6 and 773b7ea3-31cf-4b24-94f0-0b61b573b082 on USER-HOME-client-0

most importantly, is there a workaround for the problem, as of now? Before the bug, it it's such, gets fixed.
b.w.
L.

-- end of paste

but I have a few more files which also report I/O errors and heal does NOT even mention them:
on the brick that is a "master"(samba was sharing to the users)

# file: abbreviations.log
security.selinux=0x73797374656d5f753a6f626a6563745f723a64656661756c745f743a733000
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.version=0x0200000000000000589081fd00060376
trusted.gfid=0x773b7ea331cf4b2494f00b61b573b082
trusted.glusterfs.quota.335bf026-68bd-4bf4-9cba-63b65b12c0b1.contri.1=0x0000000000002a000000000000000001
trusted.pgfid.335bf026-68bd-4bf4-9cba-63b65b12c0b1=0x00000001

on the "slave" brick, was not serving files (certainly not that file) to any users:

# file: bbreviations.log
security.selinux=0x73797374656d5f753a6f626a6563745f723a756e6c6162656c65645f743a733000
trusted.afr.dirty=0x000000000000000000000000
trusted.bit-rot.version=0x0200000000000000588c958a000b67ea
trusted.gfid=0x6e9a7fa1bfbe4a59ad06a78ee1625649
trusted.glusterfs.quota.335bf026-68bd-4bf4-9cba-63b65b12c0b1.contri.1=0x0000000000002a000000000000000001
trusted.pgfid.335bf026-68bd-4bf4-9cba-63b65b12c0b1=0x00000001

Question that probably was answered many times: is it OK to tamper with(remove in my case) files directly from bricks?
many thanks,
L.


regards,
nag pavan

----- Original Message -----
From: "lejeczek" <peljasz@xxxxxxxxxxx>
To: gluster-users@xxxxxxxxxxx
Sent: Tuesday, 7 February, 2017 2:00:51 AM
Subject:  Input/output error - would not heal

hi all

I'm hitting such problem:

$ gluster vol heal USER-HOME split-brain source-brick 
10.5.6.100:/G-store/1
Healing gfid:8a5b6e4a-d18a-49d0-bae9-20c9cf8673a5 
failed:Transport endpoint is not connected.
Status: Connected
Number of healed entries: 0




$ gluster vol heal USER-HOME split-brain source-brick 
10.5.6.100:/G-store/1/that_file
Lookup failed on /that_file:Input/output error
Volume heal failed.

v3.9. it's a two-brick volume, was three but removed one I 
think a few hours before the problem was first noticed.
what to do now?
many thanks,
L

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