search for: xfs_faq

...ipes in a RAID1? If you read from both disks in a RAID1 simultaneously, you have to wait out the latency of both disks before you get the data at full speed, and it might be better to use stripes with them as well and read multiple parts of the data at the same time. [1]: http://xfs.org/index.php/XFS_FAQ#Q:_How_to_calculate_the_correct_sunit.2Cswidth_values_for_optimal_performance > The chunk size above is for the md-RAID write-intent bitmap; that's not > exposed information (for any RAID system that I'm aware of, software or > hardware) or something that filesystems can optim...

...empting a read-write mount (which a read only mount at boot time will not do because it's an ro mount by default), it will almost invariably corrupt the file system worse. My 20/20 hindsight advise is that if a normal mount fails, and xfs_repair fails, then follow this: http://xfs.org/index.php/XFS_FAQ#Q:_What_information_should_I_include_when_reporting_a_problem.3F And report it to the XFS list straight away. There's a much lower chance someone on this list will know what to do, than the XFS list. And BTW neither list can answer your question without a complete dmesg (not just the trace, it&...

On Mon, November 9, 2015 7:52 pm, Keith Keller wrote: > On 2015-11-09, John R Pierce <pierce at hogranch.com> wrote: >> >> XFS handles this fine. I have a backuppc storage pool with backups of >> 27 servers going back a year... now, I just have 30 days of >> incrementals, and 12 months of fulls, > > I'm sure you know this already, but for those who may

Yes, I rm'ed the wrong directory. The disk has not been written to since, now mounted ro. Is it possible to recover the files without doing forensics on the whole partition? I know the UID and path. XFS is supposed to be pretty amazing, can I get it to do this? Thanks, Dave

we recently deployed some large XFS file systems with centos 6.2 used as NFS servers... I've had some reports of a problem similar to the one reported here... http://www.linuxquestions.org/questions/red-hat-31/xfs-inode64-nfs-export-no_subtree_check-and-stale-nfs-file-handle-message-855844/ these reports are somewhat vague (third indirectly reported via internal corporate channels from

Hello, I'm in the process of finalizing the spec for my new dovecot VM, and this is the last question I need to address... I've read until I'm just about decided on XFS, but I have no experience with it (been using reiserfs on my old box (@ 8 yrs old now), and never had a problem (knock on wood), but considering its current situation (little to no development support for reasons

m.roth at 5-cent.us wrote: > m.roth at 5-cent.us wrote: >> I'm exporting a directory, firewall's open on both machines (one CentOS >> 6.6, the other RHEL 6.6), it automounts on the exporting machine, but >> the >> other server, not so much. >> >> ls /mountpoint/directory eventually times out (directory being the NFS >> mount). mount -t nfs

Hi, Everytime I restart Centos 7 I receive a error saying? metadata is corrupt and then I need to go through the process of mount and unmount the disk uuid then run xfs_repair {some uuid} or xfs_repair -L {some uuid} which ultimately corrupts even more. I?m running on a RAID 1 two identical drives this has happened more then once and had to reinstall. Any way I can prevent this when I

Hi, xfs is supposed to detect the layout of a md-RAID devices when creating the file system, but it doesn?t seem to do that: # cat /proc/mdstat Personalities : [raid1] md10 : active raid1 sde[1] sdd[0] 499976512 blocks super 1.2 [2/2] [UU] bitmap: 0/4 pages [0KB], 65536KB chunk # mkfs.xfs /dev/md10p2 meta-data=/dev/md10p2 isize=512 agcount=4, agsize=30199892 blks

I'll try that...I was using instructions I found on the internet for single-user/maintenance mode.?? From the grub screen you enter 'e' and modify the linux16 line...etc. Okay, I'll try that next. Thanks Simon! On 5/13/2020 7:28 AM, Simon Matter via CentOS wrote: > Hi, > >> Yeah, I tried that but ran into a problem.? It came up fine in >>

Hi, Which is the recommended filesystem to be used for the bricks in glusterFS. ?? XFS/EXT3/EXT4 etc .???? Thanks & Regards, Bobby Jacob Senior Technical Systems Engineer | eGroup P SAVE TREES. Please don't print this e-mail unless you really need to. -------------- next part -------------- An HTML attachment was scrubbed... URL:

Hi all after being a silent reader for some time and not very successful in getting good performance out of our test set-up, I'm finally getting to the list with questions. Right now, we are operating a web server serving out 4MB files for a distributed computing project. Data is requested from all over the world at a rate of about 650k to 800k downloads a day. Each data file is usually

Now I''m sure that the following configuration can destroy a PostgreSQL 8.3.5 database: * Linux host (dom0) with XEN, XFS filesystem with "nobarrier", RAID controller with battery backed cache. * XEN vm (domU) with XFS filesystem with "nobarrier" with postgresql * my daughter with 3.5 years switching off the power supply of the server, just behind the UPS Seems XEN