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An unexpected perf feature
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I'm not sure that's always true.
Fedora and LVM
Posted Nov 1, 2012 0:52 UTC (Thu) by butlerm (subscriber, #13312)
That is a weakness in the filesystem that shouldn't require hard partitioning to resolve. It would make a lot more sense for a filesystem to be able to place files from different directory trees into internally independent allocation groups, such that a corruption in one of them would be no more likely to take another down than if they were in separate partitions.
That would be one way to radically speed fsck times as well.
Posted Nov 1, 2012 17:55 UTC (Thu) by nix (subscriber, #2304)
With entirely independent filesystems, this problem goes away -- and moving *that* down into the filesystem is redundant, because we already have the ability to do just the same thing by making more than one filesystem.
Posted Nov 1, 2012 18:43 UTC (Thu) by ssmith32 (subscriber, #72404)
/home will always be on a partition with a given probability of failure.
Whether or not /var is on a separate partition does not seem like it would much affect probability of the fs metadata for /home getting corrupted.
I suppose /var may get written to more frequently (and thus increasing the chance of messing up the fs metadata), but on a desktop system, I would think the difference in the rate between which /home and /var is written is not that great.
And I haven't ever had trouble upgrading a system with a single partition (another common reason given).. installing a brand-new OS, yes.. upgrading no.
Posted Nov 1, 2012 22:31 UTC (Thu) by nix (subscriber, #2304)
Writes to /home are relatively rare by comparison (even for me, with subscriptions to dozens of mailing lists all going into nnml spools under /home).
Posted Nov 2, 2012 0:25 UTC (Fri) by ssmith32 (subscriber, #72404)
Posted Nov 2, 2012 17:31 UTC (Fri) by nix (subscriber, #2304)
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