Hello, with the preference for IT mode HBAs for OSDs and journals,
what redundancy method do you guys use for the boot drives.  Some
options beyond RAID1 at hardware level we can think of:

- LVM

- ZFS RAID1 mode

- SATADOM with dual drives

- Single SSD like the journal drives, since they'd fail about the time
when journals fail

Any other solutions?

Thank you for sharing.

--
Alex Gorbachev
Storcium
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