similar to: CentOS 6 - Preferable snapshots via LVM, EXT4 or XFS

Hi all, I've a 30TB hardware based RAID array. Wondering what you all thought of using ext4 over XFS. I've been a big XFS fan for years as I'm an Irix transplant but would like your opinions. This 30TB drive will be an NFS exported asset for my users housing home dirs and other frequently accessed files. - aurf

Hi all, So I have an XFS file system within LVM which has an external log. My mount option in FSTAB is; /dev/vg_spock_data/lv_data /data xfs logdev=/dev/sdc1,nobarrier,logbufs=8,noatime,nodiratime 1 1 All is well no issues and very fast. Now I'd like to snapshot this bad boy and then run rsnapshot to create a few days backup. A snapshot volume is created w/o issue; lvcreate -L250G -s

On 2015-06-24 13:03, Nicolas C. wrote: > Hello, > > Do you have recommendations on EXT4 and LVM options for a 3TB > file-system for mdbox? > > We currently use the mbox format on a XFS with poor performances since > the update in v2.1 (Debian). What qualifies as "poor performance"? How many users? > > We will switch to EXT4 to have the possibility of

Hello, Do you have recommendations on EXT4 and LVM options for a 3TB file-system for mdbox? We currently use the mbox format on a XFS with poor performances since the update in v2.1 (Debian). We will switch to EXT4 to have the possibility of shrinking the file-system if needed (which is not possible with XFS), we currently have LVM partitions but with mdbox we will use LVM snapshots to

There are several places where ZONE_DEVICE struct pages assume a reference count == 1 means the page is idle and free. Instead of open coding this, add a helper function to hide this detail. Signed-off-by: Ralph Campbell <rcampbell at nvidia.com> --- fs/dax.c | 4 ++-- fs/ext4/inode.c | 5 +---- fs/xfs/xfs_file.c | 4 +--- include/linux/dax.h | 10 ++++++++++ 4 files

On Fri, Sep 25, 2020 at 1:45 PM Ralph Campbell <rcampbell at nvidia.com> wrote: > > There are several places where ZONE_DEVICE struct pages assume a reference > count == 1 means the page is idle and free. Instead of open coding this, > add a helper function to hide this detail. > > Signed-off-by: Ralph Campbell <rcampbell at nvidia.com> > --- > fs/dax.c

Hi Everyone, I was running GlusterFS 3.3.1 on ext4 with CentOS 6.3, but it ran out of memory quickly because of known bug in 64/32 bits operations with ext4. I built another machine with XFS and added it to volume, after full heal, switched to the new machine. The configuration is the following: 1st machine with CentOS 6.3 with XFS, 2nd machine with CentOS 6.3 with ext4. They are in replica

Hi all, I read that XFS now has a max journal size of 2Gb rather than 128M. Is this correct? Thanks in advance, - aurf

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

Hi all, is any one aware quotas not working in 5,5? I'm using XFS as a file system. My fstab has the appropriate usrquota,grpquota but when I try to run; quotacheck -cug /foo I get; quotacheck: Can't find filesystem to check or filesystem not mounted with quota option. I already have a large amount of data in the mount. Do quotas get implemented on only empty filesystems and

There are several places where ZONE_DEVICE struct pages assume a reference count == 1 means the page is idle and free. Instead of open coding this, add a helper function to hide this detail. Signed-off-by: Ralph Campbell <rcampbell at nvidia.com> --- fs/dax.c | 8 ++++---- fs/ext4/inode.c | 2 +- fs/xfs/xfs_file.c | 2 +- include/linux/dax.h | 5 +++++ 4 files changed, 11

Hi list, during the last days there was a discussion going on about the stability of XFS; though I myself used XFS heavily and didn't run into issues yet, I'd like to ask something *before* we create our next generation data storage backend... Les Mikesell wrote in [0] about issues in the combination of XFS and LVM -- however, it was being discussed in context of using 32bit kernels.

Hi Folks, Can you guide me about how to convert the CentOS file system from EXT3/EXT4 to XFS without loosing data? I have tried search in google about this but I couldn't get the relevant idea. ** -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos-virt/attachments/20120628/bdcf66a1/attachment-0006.html>

Hi, I''m running Xen on a Debian Xeon E3110 using the Debian 2.6.26-2-xen kernel. As filesystem for my lvm domU partitions I choosed xfs. I get the following error in kern.log of domU when booting a domU: blkfront: sda2: write barrier op failed blkfront: sda2: barriers disabled end_request: I/O error, dev sda2, sector 0 end_request: I/O error, dev sda2, sector 0 Filesystem

Hi all, I rebooted a server having a 20TB XFS volume under LVM and wait about 15 min to boot. It stays at; Setting up logical volume management For 15 min then proceeds to boot fine. During this time, I see the 14 disks of the 20TB volume flashing quickly as though being read. Nothing in my logs to indicate bad behavior. I am running the latest 6,4 kernel. Any one see this before? - aurf

Hi, I'm faced with a very strange behaviour: Centos 6.5 server, Hardware ISCSI HBA from Emulex OneConnect, most recent drivers and firmware from emulex installed. Directly attached a 10G ISCSI Storage from QSan. Two Raid volumes, Raid 5, 8 Disks each at 2 TB so 14 TB each logic raid volume. Both volumes are logged in and usable as sdb and sdc to the server. Formatted with ext4 -m 0 -v

Hi all, Please excuse the many posts. Wondering if any one can help me with the the setup. I have 2x2TBdisks. I would like to mirror them. I would like to create two LVMs so that I can snap shot from one to the other. During Centos 6 install, how would I go about this as its confusing? So far I am here; 1) Created the following raid devices; md0 500MB (use it for /boot) md1 4000MB (use it

Hi all, Does any one know of a how to for creating raid 1 + LVMs during install for Centos 6? Do I create the physical LVM first and then raid or vise versa? Its seems diff then doing it for Centos 5. - aurf

Nice article about XFS improvements: http://tinyurl.com/7pvr9ju

<div>Dear all,</div><div> </div><div>Does anybody know if the package libguestfs-xfs exists for CentOS 6? I faced the problem when tried to change passwd for XFS virtual machine based on ext4 CentOS 6 parent server:</div><div> </div><div><div>guestmount -a /dev/lvm/xfs.test -i /tmp/cp_mount/xfs.test</div><div>guestmount: no