Yes, that would be an option. But only on directories which holds snapshots. If you would give a ENOTEMPTY message on "alpha", where the subdirectory "beta" holds the snapshot it will be pretty difficult when you have a large tree. -- Met vriendelijke groet, Wido den Hollander Hoofd Systeembeheer / CSO Telefoon Support Nederland: 0900 9633 (45 cpm) Telefoon Support België: 0900 70312 (45 cpm) Telefoon Direct: (+31) (0)20 50 60 104 Fax: +31 (0)20 50 60 111 E-mail: support@xxxxxxxxxxxx Website: http://www.pcextreme.nl Kennisbank: http://support.pcextreme.nl/ Netwerkstatus: http://nmc.pcextreme.nl On Thu, 2010-06-03 at 14:32 +0000, Sage Weil wrote: > On Thu, 3 Jun 2010, Wido den Hollander wrote: > > Hi, > > > > When creating a snapshot in a subdirectory, this gets lost when the > > parent directory is removed, see the following command sequence: > > http://www.pastebin.org/302447 > > > > Now, i had a snapshot of the directory "beta" holding my really > > important file "randomfile.txt". > > > > Since creating a snapshot of the root directory is not possible i could > > loose all my data when someone hacks a box and does a "rm -rf /". > > > > What would you advice in this scenario? > > > > 1. Create snapshots of the RADOS pools? > > 2. Never mount the root directory, but a subdir (mount x.x.x.x:/subdir) > > 3. Prevent your box from being hacked ;-) > > Hmm. What about returning ENOTEMPTY when you try to rmdir(2) a directory > that contains snapshots? > > sage > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
