Questions tagged [iscsi]

The Internet Small Computer System Interface (iSCSI) is a transport protocol designed to communicate SCSI commands over IP networks. It is described by Internet RFC 3720, though it has been amended and corrected by later RFCs.

The Internet Small Computer System Interface (iSCSI) is a transport protocol designed to communicate SCSI commands over IP networks. It is described by Internet RFC 3720 (http://tools.ietf.org/html/rfc3720), though it has been amended and corrected by later RFCs.

RFC 3720

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Kubernetes: How to use a iSCSI claim across numerous pods without performance issues?

For context, we have a cluster of about a dozen nodes or so. Many parts of our project utilize iSCSI persistent volumes & claims to mount very large read only databases. The only issue is that launching numerous pods concurrently all trying to…
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nexus3 oss deployment on docker

I would like to deploy nexus3 oss in docker container (standalone instance) on-prem. According to the documentation here : https://help.sonatype.com/repomanager3/product-information/system-requirements#SystemRequirements-FileSystems, look likes only…
Thinny
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ElasticSearch Slow Query Response on ISCSI Disk on Oracle Cloud

I'm doing a migration from Elastic version 7.1 from AWS to Oracle Cloud using elastic 8, I made the snapshot the index was restored successfully, but the elastic is taking a long time to return the answer when it has many simultaneous…
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error on iscsi on reboot. erroneous defaults

Starting maybe a month ago I started having iscsi errors and failures to mount. This roughly coincided with the update of 20.04.3. Trying to cut to the chase I issued the following commands: root@cor8910:~# iscsiadm -m discovery -t sendtargets -p…
Walt Corey
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openstack cinder-volume state down

I deployed openstack train using juju charms to private cloud environment with all servers on a single subnet. Attached to the cloud environment is iSCSI storage on a different subnet. All openstack services successfully deployed via juju charms but…
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Why physical disk connected to the same HBA port may have different paths?

i'm new on Linux May you help me? I have connected disk on /dev/sda and another one on /dev/sdb When i eject disk on /dev/sda and load & scanning (through echo "- - -" > /sys/class/scsi_host/host6/scan) it again it's path becomes /dev/sdc but with…
Dmitriy
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Try to use iSCSI volume in Kubernetes Cluster but got "wrong fs type, bad option, bad superblock on /dev/sdb, missing codepage or helper program"

Due to problems might caused by NFS ref, I tried to build iSCSI volume mount in K8S cluster, yet I got errors: MountVolume.MountDevice failed for volume "iscsipd-rw" : mount failed: exit status 32 Mounting arguments: --description=Kubernetes…
KiddHsieh
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Shared VHDX in Hyper-V CSV Not Keeping Data Synced Between VMs

We are implementing a new clustered environment using 2 Windows Server 2019 Datacenter Hyper-V servers and a SAN using a Dell SCv2020 via iSCSI, and using a shared VHDX file between 2 Windows VMs. Note that I have also added a shared disk as a VHD…
AZinNC
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CEPH-ISCSI fails when restarting rbd-target-api and won't work anymore

I have an issue on ceph-iscsi ( ubuntu 20 LTS and Ceph 15.2.6) after I restart rbd-target-api, it fails and not starting again: I delete gateway.conf multiple times and put it again but it doesn't worked sudo systemctl status…
Kaaa
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Ceph iSCSI network deployment

I intend to install ceph cluster with iSCSI gateways. Was wondering, about networking of ceph iSCSI gateways, typically the following: iSCSI gateways should have a separate (Public)network and private network, i.e. Public to connect to iSCSI…
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Get target IP address of an iscsi device from Windows Server

We have tape libraries connected via iSCSI to our Windows servers. I'm curious if there's any way at all to retrieve the IP address of the connected device. I'm able to retrieve the TargetNodeAddress with the Get-IscsiSession command.. however, it…
MKANET
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Kubernetes 1.18.4, iSCSI

I have problems with connecting volume per iSCSI from Kubernetes. When I try with iscisiadm from worker node, it works. This is what I get from kubectl description pod. Normal Scheduled default-scheduler …
markoc
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Venturing into HBA driver development

I'm a mid level developer with acceptable knowledge of OS internals and some driver development but up until now, I've worked mostly on the networking side of things I’m now venturing into HBA driver development. I’m looking at online material for…
AjB
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Determine WWID of LUN from mapped drive on Linux

I am trying to establish if there is an easier method to determine the WWID of an iSCSI LUN connected with a Linux Filesystem or mountpoint. A frequent problem we have is where a user requests a disk expansion on a RHEL system with multiple iSCSI…
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Is it possible to use iscsiadm from the same iSCSI server?

I have sparse knowledge of iSCSI and hence I fear I'm missing the obvious. I have set up a ZFS unit and I would like to export some LUNs. The SCST daemon is listening properly on port 3260 and the scstadmin says the config is OK. Whenever I try to…
Alex
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