[CentOS] GPT Partitions >2.2T with Centos 5.5
Jens Neu
jens.neu at biotronik.comWed Jul 14 09:30:07 UTC 2010
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Dear all, unfortunately I observe drastic drops in read- performance when I connect LUNs >2.2T to our Centos 5.5 Servers. I suspect issues with the GUID Partition Table, since it happens reproducibly only on the LUNs >2.2T and goes back to normal performance when using a LUN <2T with "normal", Legacy MBR partitions. All machines are CentOS 5.5 (and RHEL 5.5) on IBM Blades LS21/LS41, all LUNs via Brocade 4G FC Switches from a SUN 7310 Unified Storage, EXT3 filesystems with standard settings. Any hints? regards Jens -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100714/2f7c4d96/attachment.html>
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