Questions tagged [san]

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Is it possible to mount an ATA over Ethernet (AOE) block device on multiple clients, if so how?

I have a lab consisting of 3 machines connected with 2 10gbe links on 2 segregated networks. Each device has 100tb in block storage connected to it. I want to use ATA over Ethernet to create a storage ...
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2answers
336 views

procedure with multipath and lvm - migrating to new storage array

I have an older redhat (5) server that needs to have 9 array filesystems moved to a new array. I'm seeking some assistance on the best way of doing this and how the process works. The data is being ...
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1answer
81 views

Is it possible to find amount of data that come and go through HBA ports?

I have a ProLiant server with a HBA card (2 ports). $ ls /sys/class/fc_host host2 host3 and also I have a 20T SAN storage that is connected to San switch via those ports. Is it possible to ...
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3answers
761 views

SCSI: SAN or local disk?

I have a Debian 9 running. It has a SSD connected as well as a fibrechannel link to a SAN storage. As far I see both are visible as /dev/sdX devices. How can I find out what is the disk and what is ...
0
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1answer
157 views

How to get host "client" initiator wwn's from FC SAN card & switch

I saw an IBM San Storage and at Host alias creation page they can show you available host (client) initiators wwn's to choose. And I wonder how they can find client initiator wwn's from storage? I ...
1
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1answer
157 views

What does "no device" mean when running iostat -En

We presume to have a faulty cable that connects the SAN to a direct I/O LDOM. This is a snippet of the error when running iostat -En c5t60060E8007C50E000030C50E00001067d0 Soft Errors: 0 Hard ...
2
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1answer
405 views

Viewing Port Info FC Solaris 11

I have a hba card with two ports (port 0) and (port 1) and I want to know how can obtaining using OS the info to mapping the wwn that I can see using fcinfo hba-port command to a port of the hba card. ...
1
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1answer
1k views

PVS output not showing drive

I had created physical volume earlier i.e. /backup, /ndasdb, /processor, /latro. Don't know what exactly happened, but /ndasdb is not showing in any of this output result: Pvdisplay, Vgdisplay, and ...
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1answer
466 views

Oracle Linux 7 mounting SAN storage issue

I have a scenario where I am trying to mount SAN storage to my linux machine. My environment details are- Oracle VM manager for VM creation Fiber Channel HP3PAR SAN storage attached as physical disk ...
2
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2answers
599 views

List HBA information on Solaris 11 OS

Actually I want to know how can I see the Luns presented using a HBA WWN. The view that I want is something like this: LUN (on the server side like /dev/rdsk/...) | WWN (from the server) | Paths (...
0
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1answer
355 views

Oracle Linux 7.5 format a SAN storage disk using ext2 file system

I have a scenario where I have to use SAN storage for my Oracle Database installation single node production setup and need to keep Database configuration files on SAN. I am using Oracle VM manager to ...
0
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1answer
700 views

Mount storage from Fiber Channel SAN on Oracle Linux

I have a scenario where my shared storage is available at SAN (Storage Area Network). The SAN is available through Fiber Channel. I am installing some oracle product and want to use storage from SAN ...
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3answers
2k views

How come I, as a normal user, am able to change ownership of a file?

I have a partition that's NFS-mounted from a Netapp SAN. I can create files in that partition, and I can chown those files to another user, any user, even root. How am I able to do so? I thought the ...
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0answers
151 views

Migrating RHEL 6.x from Local Disk To SAN Disk

I am running RHEL 6.x in my production and booting from local disk which is actually RAID 1 configured from BIOS. (IBM Blade Center H) I wish to migrate this to SAN disk and perform SAN booting. This ...
0
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1answer
493 views

Get SAN Lun Names

My storage administrator assigned LUNS for a RHEL 5.10 Server. Now when I run /sbin/scsi_id -g -u -s /block/sdN, it shows: 360060160c8803500183327ae00a2e711 Now I want to see the exact name, just ...
0
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1answer
923 views

Find LUN id for Hitachi stotage on Linux server

I'm able to find existing WWIDEMC LUN id by using INQ utility but for Hitachi it is not possible. Do you guys have any idea to find the LUN's. For Solaris and AIX I have no issues and the problem is ...
2
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0answers
51 views

Multipath -- Ignoring internal disks

I want to configure multipath such that it ignores all the internal disks and only sees SAN Luns. Any idea how can I achieve that? Basically I want to filter out all the internal disks like IDE, SAS ...
2
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0answers
203 views

How to move LVM to new server

The current setup of my server, I have a storage disk array (RAID60) which hold 110TB of data. All the data is stored in multiple volumes created by LVM. Now, I want to upgrade my server with Cent OS ...
1
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2answers
132 views

How is reliability achieved with SCSI and SAN?

I am pretty new to SCSI and actually not even sure if this is the correct forum to ask. (I did because I found some SCSI questions :) So please feel free to improve/migrate this question. I am ...
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1answer
332 views

Install CentOS 7 without any local disk?

If we only got disks from iSCSI (additionally multipath) and no local disks, how can we install a CentOS 7 on them?
0
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1answer
2k views

failure at starting on postgresql

I installed a postgresql database on Redhat 7.1 and I decided to move the database on a ISCSI device (LUN) inside a logical volume, mounted at starting of the machine (xfs formatted). The mounting ...
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1answer
118 views

Migrate to a new vdisk

I have to migrate some data to a new vdisk. But i have no idea how i can do this. The old Vdisk is under /dev/mapper/12345 which is a link to /dev/dm-1 The new Vdisk is under /dev/mapper/67890 which ...
0
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1answer
101 views

Fiber channel card without san for testing

I have received a pci-x card HP A6795AX A6795-62001 2G/1Gbps 64bit Single Port PCI Fibre Channel is possible to test it without cable connect to san or san switch? Or i will get error messages?System ...