[lustre-discuss] Zfs backend file system level backup

Yong, Fan fan.yong at intel.com
Thu Jan 30 06:42:47 PST 2020

It can be done anytime before umount the Lustre device, in spite of whether it is new formatted system or live zfs-based system with data, as long as the version supports file-level backup.


-----Original Message-----
From: lustre-discuss <lustre-discuss-bounces at lists.lustre.org> On Behalf Of BASDEN, ALASTAIR G.
Sent: Thursday, January 30, 2020 12:36 AM
To: lustre-discuss at lists.lustre.org
Subject: [lustre-discuss] Zfs backend file system level backup

I wish to perform a zfs backend file system level backup.  The Lustre manual says to to:
lctl set_param osd-zfs.${fsname}-${target}.index_backup=1

Does this have to be done right at the start before the file system has been used, or can it be done to a live file system with data already on it?

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