I want to migrate away from Solaris with ZFS to Linux with XFS (BTRFS is to
young) . At the moment, I have Solaris 10 with ISCSI initiator running and a
zpool with a size round about ~17TB. The ISCSI target is a Linux Debian with
"tgt" Daemon and connected via SAS (LSI Logic / Symbios Logic SAS2008) to
several LSI JBODS (630j).
Every jbod has 12 (2TB) disks and managed by mdadm as a RAID6 device and on top
LVM. I have two ISCSI target servers (one for _cold_ standby) and all servers
has power connection via UPS and a second direct one.
As I sad, I want to get away from Solaris 10 and know I search for options to
use XFS with save options, in case of emergency (poweroff etc.). We use the
JBODS mostly for backups (bacula) so, performance/realtime isn't imported,
since network is the limit.
Under ZFS I can make sure, with zpool scrub (file system check), that all data
are completely written and consistence. But what is the best way under XFS?
Should I remount XFS every month for a file system check (re/mount) ? What
happens in the case, of ISCSI problems?
So, I need just a few suggestions :-)
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