Hello!
I have some questions about external journals.
On a 4 disk software RAID 5 I have two big devices (one 60 GB, one 180
GB). I would like to give each an external journal on a 2 disk software
RAID 1 device and use data=journal.
The journal will get its own partition with mke2fs -O journal_dev
/dev/mdwhatever.
The used 6 harddrives are all IDE drives, they are connected through
mainboard and additional ide controllers, each one as master (no slaves).
My questions:
How big should each of the journals be?
Can I put both journals in one RAID 1 device (i.e. give both the same
device=/dev/mdwhatever or should/must I put them in two different
devices (which would have to be on the same two disks in any case)
/dev/mdwhatever1 and /dev/mdwhatever2?
Thanks in advance, Norman Schmidt.
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Norman Schmidt Institut für Physikal. u. Theoret. Chemie
cand. chem. Friedrich-Alexander-Universitaet
schmidt@naa.net Erlangen-Nuernberg
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