Re: 3ware 9550SX problems - mke2fs incredibly slow writing last third of inode tables

[Florian Weimer]

* Alex Bligh:

> All seems to go well until I try and do mke2fs. This appears to work,
> and tries to write the inode tables. However, at (about) 3400 inodes
> (of 11176), it slows to a crawl, writing one table every 10 seconds.
> strace shows it is still running, and no errors are being reported.
> However, it seems very sick.

In my experience, the 3ware SATA controllers which are not NCQ-capable
have very, very lousy write performance with some drives, unless you
enable the write cache (which is, of course, a bit dangerous without
UPS or battery backup on the controller).
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