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Monthly Archives: February 2008

Kickstarting CentOS 5.1 - Not from a yum repository any more

15-Feb-08

In the past, I’ve used our local mirror of the CentOS yum repository to kickstart machines booted using PXE; apparently, this no longer works with CentOS 5.1, although it did with 5.0. If you attempt to do so, after the initial PXE boot, you get the following message:

The CentOS installation tree in that directory [...]

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VMware’s Comparison of Storage Protocol Performance

08-Feb-08

VMware has just released a paper entitled Comparison of Storage Protocol Performance (seen at Scale the Mind and blog.scottlowe.org); maybe this will help deflate some of the too-often repeated speculation that NFS is too slow for VMware ESX.

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My NetApp FAS2020 Makes Me Want To Cry

07-Feb-08

poptart> version
NetApp Release 7.2.4L1: Wed Nov 21 00:49:33 PST 2007
poptart> aggr add aggr0 11
Aggregate size 8.48 TB exceeds limit 7.00 TB
aggr add: Can not add specified disks to the aggregate because the aggregate size limit for this system type would be exceeded.

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Stop, NetApp, You’re Killing Me

05-Feb-08

I’ve recently bumped into a couple painful limits of Data ONTAP. The first is the widely-known 16TB limit on aggregate size - with each day, it’s increasingly stunning to me that they haven’t increased this yet: 16TB is big, but it just isn’t that big any more. Just as painful is the much [...]

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