On 7/31/12 8:56 AM, Stefan Priebe - Profihost AG wrote:
> Hello list,
> i'm planning to create a couple of VMs with just 30GB of space while using
> xfs as the main filesystem.
> Now i alreay know that some of the VMs will grow up to 250GB while resizing
> the block device and using xfs_growfs.
> Should i take care of that and format these disks with special parameters?
> I've discovered that a 500GB volume has agcount=4 and 64000 blocks of
> internal log - while a 300GB volume resized to 500GB has agcount 7 ad only
> 40960 blocks of internal log.
> Is it a problem if this grow will happen in small portions (30GB => 50GB =>
> 75GB => 100GB => ... 300GB)?
This incremental part doesn't matter a bit. The first mkfs will choose the AG
count & size according to defaults; further growth after this will add new
(possibly partial) AGs of that pre-chosen size.
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