ZFS thoughts and questions
I have successfully configured ZFS using FreeBSD amd64 on a quad core
box with 2Gb of RAM. With the proper tuning found on wiki, mailing lists on which i found a great post in which our phoenix clarified some things, the machine is stable.
The new things that are coming with ZFS in terms of backup (snapshots & clones) are great, quick and easy to understand and manage. As far as i understood you can move the snapshots *only* between systems that are running ZFS (zfs send | receive) and archiving a snapshot. Now the first question, what are the implications of tar-ing or gzip-ing a snapshot and moving it to an outside storage which doesn't run ZFS, this in terms of the consistency of the snapshot.
The archiving of the data is great and reduces the space usage. Here comes the second question, which one of them to use lzjb or gzip. I did google for lzjb vs gzip but couldn't find a relevant answer.
I have a separate dataset for mysql (MyISAM). I have found an article on the mysql.com website about zfs and mysql - A look at MySQL and ZFS but it only talks about InnoDB+ZFS optimization. Here i have a couple of questions too:
I would also like to hear anything about what techniques do you use for backing up a zfs system and anything you can recommend to read for a better understanding of the zfs concept as a whole.
thank you and a great day,
Stop! think! ... the problem is somewhere between the monitor and chair...
"First they ignore you, then they laugh at you, then they fight you, then you win." Gandhi
links: spreadbsd syk
|backup, mysql, recordsize, zfs|
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