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md10
2014 May 17
1
Large file system idea
...cuits, and have UPS protection.
A server system called S (which has six processors and 48 GB memory, and
is not one of the file servers), acts as iscsi initiator for all targets.
On S, A1 and B1 are combined into the software RAID-1 volume /dev/md101.
Similarly, A2 and B2 are combined into /dev/md102, and so forth for as
many target pairs as one has. The initial sync of /dev/md101 takes about 6
hours, with the sync speed being around 400 MB/sec for a 10TB volume. I
realize that only half of the 10-gig bandwidth is available while writing,
since the data is being written twice.
All of the /...