Thanks for your general advice but I would very much appreciate for more specific commands. Below are the things that I have tried but still a long way to getting a proper backup onto USB (UFS filesystem) currently, while in single user mode:
Code:
# Create recursive snapshot of local zpool called rpool
zfs snapshot -r rpool@001
# Want to create an archived zfs backup file with compression on USB
# drive mounted on mnt folder
zfs send -p rpool@001 > /mnt/hostname_rpool@001.snapshot1
Which returns the prompt immediately with only a tiny file generated. Alternatively solution is to use the following command to create snapshot on to the USB drive with zfs receive:
However, do I need to create a zpool filesystem on USB drive first? How to do that and also the drive is currently in UFS format? Don't tell me that I need to slice up the USB or re-create it in zfs filesystem.
ZFS backup is much more complex than ufsdump/ufsrestore in the past. I simply want a physical backup file of everything under rpool that can be transfered to another generic Solaris 10 VM, to be restored onto.
Much appreciate your detail comments & patience.
George
Moderator's Comments:
Please use CODE tags when posting sample code, input, and output rather than assume than an administrator will edit your posts to add missing tags.
Last edited by Don Cragun; 02-12-2014 at 04:41 AM..
Reason: Add CODE tags.
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Discussion started by: prashant2507198
0 Replies
LEARN ABOUT FREEBSD
zfsloader
ZFSLOADER(8) BSD System Manager's Manual ZFSLOADER(8)NAME
zfsloader -- kernel bootstrapping final stage
DESCRIPTION
zfsloader is an extended variant of loader(8) with added support for booting from ZFS. This document describes only differences from
loader(8).
ZFS FEATURES
zfsloader supports the following format for specifying ZFS filesystems which can be used wherever loader(8) refers to a device specification:
zfs:pool/filesystem:
where pool/filesystem is a ZFS filesystem name as described in zfs(8).
If /etc/fstab does not have an entry for the root filesystem and vfs.root.mountfrom is not set, but currdev refers to a ZFS filesystem, then
zfsloader will instruct kernel to use that filesystem as the root filesystem.
ZFS COMMAND EXTENSIONS
lsdev [-v]
Lists ZFS pools in addition to disks and partitions. Adding -v shows more ZFS pool details in a format that resembles zpool status
output.
lszfs filesystem
A ZFS extended command that can be used to explore the ZFS filesystem hierarchy in a pool. Lists the immediate children of the
filesystem. The filesystem hierarchy is rooted at a filesystem with the same name as the pool.
FILES
/boot/zfsloader zfsloader itself.
EXAMPLES
Set the default device used for loading a kernel from a ZFS filesystem:
set currdev=zfs:tank/ROOT/knowngood:
SEE ALSO gptzfsboot(8), loader(8), zfs(8), zfsboot(8), zfsloader(8), zpool(8)HISTORY
The zfsloader first appeared in FreeBSD 7.3.
AUTHORS
This manual page was written by Andriy Gapon <avg@FreeBSD.org>.
BSD September 15, 2014 BSD
02-12-2014
