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Questions tagged [iscsi]

iSCSI - SCSI over IP - mount disks across the network

iSCSI is Internet Small Computer Systems Interface, and is a standard for sending SCSI commands across the IP layer of the TCP/IP suite.

Unlike ATA over Ethernet, (ATAoE) iSCSI allows you to use the same network link for mounting remote storage as well as communicating with the rest of the network.

860 questions
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Shared access to iSCSI target

Does anyone know how shared access (multiple Initiators) to a single iSCSI target is supposed to work. I have got it semi-working with Linux (CentOS-7) target and Win 2012 server / Win Hyper-V 2012 R2 Initiators. Problem is each instance seems to…
NickC
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Successful login with iscsiadm on target still doesn't create block device

I've set up an experiment to test iscsitarget and initiator, which at some point worked. Later, I turned the setup back on and much to my dismay, the initiator machine stopped making block devices for its successful logins. As far as I know, I…
Halfgaar
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Can I mount a block device both over iSCSI and locally?

I have a block device (/dev/mapper/vg0-data) on a server. I am planning to mount it locally on the server directly through Linux mount, but also expose is through iSCSI to another server, which will connect to it twice to have multi-path connection.…
Mitar
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can't see iSCSI with lsblk

I've configured a freeNas with iSCSI and two nodes connecting to that device. Everithing it's ok but after reboot I can't see with lsblk: lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 35G 0 disk ├─sda1 …
Miguel7799
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How to lookup IQN of iSCSI service from a connected client?

I'm using Alcohol iSCSI Sharing Center to share my virtual drive on network. My Windows and CentOS client had connected successfully using iSCSI initiator and iscsiadm. I used command iscsiadm -m discovery -t sendtargets -p 192.168.1.100 on CentOS…
Federal Reserve
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How Should I Name My iSCSI Targets?

Is there a standard or generally accepted way of naming iSCSI targets? If not a sole standard then maybe a few? Or, is it simply entirely up to the administrator to name them as they wish? I'm quite open to recommendations and to hear what others…
Matt Hanson
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iSCSI SAN Solution for Backup

We're looking for a lower-cost iSCSI SAN to use as disk storage for our system backups. We currently have an EqualLogic PS100 array in place that we use for our ESX storage (with a Ps6000E on the way to expand). We love the device, but it's cost is…
Evan M.
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Resize iSCSI LUN from Linux Client

I have a Linux workstation with an iSCSI LUN mapped on the directory /mnt/nas509 the LUN is on /dev/sdb and with a partition /dev/sdb1 I expand it by the NAS Web Interface, and execute this command on the linux workstation: sudo growpart /dev/sdb 1…
Kreker
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iSCSI: Disk at 100% after some traffic

We have a disk exported via iSCSI. When writing to this particular disk, following issue manifests: Initial speed is decent, then after a few gigabytes of writes i) disk becomes 100% busy ii) disk write speed drops to 10 MB/s iii) Disk IOPS drop to…
padawan
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Can I shrink a LUN on a Synology DS 409+ NAS iSCSI target

I created a 3TB iSCSI target for all my Macs to use as a Time Machine Backup but would like to shrink it. I don't want to delete it as then I would lose all the backups. Any help would be appreciated. Thanks
kosielemmer
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What's the difference between Thecus Enterprise and iSCSI lines?

I've been comparing the Thecus N8800 Pro and the Thecus i8500 and both of them seem to support primarily the same features, what is the main difference between these 2 lines? My primary purpose for the product would be a large data array for a File…
Chris Marisic
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How many clients on lower end iSCSI targets?

Was wondering if anyone has built an iSCSI server on current AMD hardware. I ask because i am slowly implementing ccdisk on a 28 machine internet cafe. Now i am starting to question my build. I assembled a 6 core AMD FX6300 with 16 gigs of RAM…
Michael Russell
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iscsiadm discovery gives this error: "Try `iscsiadm --help' for more information."

Many sets of instructions (e.g. Softlayer) provide this command for discovering a new iSCSI device: iscsiadm –m discovery –t sendtargets –p 255.255.255.255 The man page for iscsiadm gives this command: iscsiadm --mode discoverydb --type sendtargets…
Leo
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Intel Pro 1000 Adapters iSCSI, boot device and LACP

I'm currently testing iSCSI with Intel Pro 1000 PT DualPort adapter. The performance is pretty well but is it possible to combine both ethernet ports to have a true 2Gbit link for the boot device? Intel documentation doesn't explain this.
disserman
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