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[Linux-cluster] Minimum journal size



According to gfs_mkfs man page, the minimum journal size is 32MB and
each node needs at least one journal.

Are those hard requirements? Is it possible to lower the minimum number
with some performance reduction? We have a use case that need to run gfs
on a 512MB Compact Flash to share among a few nodes. Based on the
current minimum requirements on journal and resource group, the disk
space overhead is too much.

Lin   


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