xfs_growfs doesn't resize
Quoted 4 lines · Eric Sandeen
Quoted 3 lines · On 6/30/11 4:42 PM, [email protected] wrote:
# uname -a Linux sahara.xxx 2.6.18-128.1.6.el5 #1 SMP Wed Apr 1 09:10:25 EDT 2009 x86_64 x86_64 x86_64 GNU/Linux
Quoted 8 lines
Quoted 2 lines
Yes, it's not a completely current kernel. This box is running CentOS 5 with some yum updates.
try
# rpm -qa | grep xfsIf you see anything with "kmod" you're running an exceptionally old xfs codebase.
Yes, I do have a kmod-xfs package, so clearly a kernel update is in order. So my goals are twofold: 1) verify the current filesystem's state--is it healthy, or does it need xfs_db voodoo? 2) once it's determined healthy, again attempt to grow the filesystem. Here is my current plan for reaching these goals:
0) get a nearer-term backup, just in case :) The filesystem still seems perfectly normal, but without knowing what my first xfs_growfs did I don't know if or how long this state will last.
1) umount the fs to run xfs_db
2) attempt a remount--is this safe, or is there risk of damaging the filesystem?
3) If a remount succeeds, then update the kernel and xfsprogs. If a remount doesn't work, then revert to the near-term backup I took in 0) and attempt to fix the issue (with the help of the list, I hope).
4) In either case, post my xfs_db output to the list and get your opinions on the health of the fs.
5) If the fs seems correct, attempt xfs_growfs again.
Do all these steps seem reasonable? I am most concerned about step 2-- I really do want to be able to remount as quickly as possible, but I do not know how to tell whether it's okay from xfs_db's output. So if a remount attempt is reasonably nondestructive (i.e., it won't make worse an already unhealthy XFS fs) then I can try it and hope for the best. (From the other threads I've seen it seems like it's not a good idea to run xfs_repair.)
Would it make more sense to update the kernel and xfsprogs before attempting a remount? If a remount fails under the original kernel, what do people think the odds are that a new kernel would be able to mount the original fs, or is that really unwise?
Again, many thanks for all your help.
--keith
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