[PVE-User] Ceph journal partition alignment

Eneko Lacunza elacunza at binovo.es
Thu Aug 4 09:25:31 CEST 2016


Hi all,

We have recently installed a new node for our office cluster. This node 
has an Intel S3610 200GB disk for Proxmox and Ceph Journals, and 4x1TB 
HDD (3x1Gbit network).

Installation was made with Proxmox 4.2 ISO. I have noticed that journal 
partitions (sde4-sde7) are not properly aligned?

Size: 186.3 GiB, 200049647616 bytes, 390721968 sectors
Label: gpt, identifier: CB415B43-CDF3-4D72-98BB-5A90367BD1FF

Device          Start         End    Sectors    Size Type

/dev/sde1          34        2047       2014   1007K BIOS boot

/dev/sde2        2048      262143     260096    127M EFI System

/dev/sde3      262144   125829120  125566977   59.9G Linux LVM

/dev/sde4   125829122   136314881   10485760      5G unknown

/dev/sde5   136314882   146800641   10485760      5G unknown

/dev/sde6   146800642   157286401   10485760      5G unknown

/dev/sde7   157286402   167772161   10485760      5G unknown

I think those partitions should be 1M/4M aligned? Should I bother at all?

Thanks
Eneko

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