search for: storwiz

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2013 Nov 07
1
IBM Storwize V3700 storage - device names
Hello, I have IBM Storwize V3700 storage, connected to 2 IBM x3550 M4 servers via fiber channel. The servers are with QLogic ISP2532-based 8Gb Fibre Channel to PCI Express HBA cards and run Centos 5.10 When I export a volume to the servers, each of them sees the volume twice, i.e /dev/sdb and /dev/sdc, with the same si...
2015 Jun 24
2
EXT4/LVM recommendations for 3TB of mdbox ?
...ch is not possible with XFS), we currently have LVM partitions but with mdbox we will use LVM snapshots to backup the server in a consistent state. So, - any particular options to use with mkfs.ext4 for the creation of the FS ? - do you recommend a ?thin? logical volume ? Our storage (IBM Storwize v7000) already have thin provisioning capabilities. The server will be a VMware virtual machine running Debian with RDM LUNs of 500GB. Data blocks will be automatically spread across several RAID disk (SSD, SAS, SATA) by the v7000. The ?mdbox_rotate_size? will be configured around 10MB. Than...
2015 Jun 24
0
EXT4/LVM recommendations for 3TB of mdbox ?
...gt; > So, > > - any particular options to use with mkfs.ext4 for the creation of the > FS ? It's not what you asked - but the options for XFS creation and mounting can make a fair bit of difference. > > - do you recommend a ?thin? logical volume ? Our storage (IBM > Storwize v7000) already have thin provisioning capabilities. > > The server will be a VMware virtual machine running Debian with RDM > LUNs of 500GB. Data blocks will be automatically spread across several > RAID disk (SSD, SAS, SATA) by the v7000. The ?mdbox_rotate_size? will > be configur...