Review iscsi SOP
Signed-off-by: Michal Konečný <mkonecny@redhat.com>
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@ -54,7 +54,7 @@
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** xref:infra-repo.adoc[Infrastructure Yum Repo - SOP]
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** xref:infra-repo.adoc[Infrastructure Yum Repo - SOP]
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** xref:infra-retiremachine.adoc[Infrastructure retire machine - SOP]
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** xref:infra-retiremachine.adoc[Infrastructure retire machine - SOP]
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** xref:ipsilon.adoc[Ipsilon Infrastructure - SOP]
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** xref:ipsilon.adoc[Ipsilon Infrastructure - SOP]
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** xref:iscsi.adoc[iscsi - SOP in review ]
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** xref:iscsi.adoc[iSCSI - SOP]
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** xref:jenkins-fedmsg.adoc[jenkins-fedmsg - SOP in review ]
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** xref:jenkins-fedmsg.adoc[jenkins-fedmsg - SOP in review ]
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** xref:kerneltest-harness.adoc[kerneltest-harness - SOP in review ]
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** xref:kerneltest-harness.adoc[kerneltest-harness - SOP in review ]
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** xref:kickstarts.adoc[kickstarts - SOP in review ]
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** xref:kickstarts.adoc[kickstarts - SOP in review ]
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@ -6,21 +6,13 @@ an iscsi export.
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== Contents
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== Contents
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[arabic]
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* <<_contact_information>>
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. Contact Information
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* <<_typical_uses>>
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. Typical uses
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* <<_iscsi_basics>>
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. iscsi basics
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** <<_terms>>
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** <<_iscsis_basic_login_logout_procedure_is>>
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____
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* <<_logging_in>>
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[arabic]
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* <<_logging_out>>
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. Terms
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. iscsi's basic login / logout procedure is
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____
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[arabic, start=4]
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. Loggin in
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. Logging out
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. Important note about creating new logical volumes
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== Contact Information
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== Contact Information
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@ -28,27 +20,25 @@ Owner::
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Fedora Infrastructure Team
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Fedora Infrastructure Team
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Contact::
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Contact::
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#fedora-admin, sysadmin-main
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#fedora-admin, sysadmin-main
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Location::
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Phoenix
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Servers::
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Servers::
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xen[1-15]
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xen[1-15]
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Purpose::
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Purpose::
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Provides iscsi connectivity to our netapp.
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Provides iscsi connectivity to our netapp.
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== Typical uses
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== Typical Uses
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The best uses for Fedora are for servers that are not part of a farm or
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The best uses for Fedora are for servers that are not part of a farm or
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live replicated. For example, we wouldn't put app1 on the iscsi share
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live replicated. For example, we wouldn't put app1 on the iscsi share
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because we don't gain anything from it. Shutting down app1 to move it
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because we don't gain anything from it. Shutting down app1 to move it
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isn't an issue because app1 is part of our application server farm.
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isn't an issue because app1 is part of our application server farm.
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noc1, however, is not replicated. It's a stand alone box that, at best,
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_noc1_, however, is not replicated. It's a stand alone box that, at best,
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would have a non-live failover. By placing this host on an iscsi share,
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would have a non-live failover. By placing this host on an iscsi share,
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we can make it more highly available as it allows us to move that box
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we can make it more highly available as it allows us to move that box
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around our virtualization infrastructure without rebooting it or even
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around our virtualization infrastructure without rebooting it or even
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taking it down.
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taking it down.
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== iscsi basics
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== iscsi Basics
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=== Terms
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=== Terms
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@ -60,15 +50,11 @@ taking it down.
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=== iscsi's basic login / logout procedure is
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=== iscsi's basic login / logout procedure is
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[arabic]
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[arabic]
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. {blank}
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. Notify your client that a new target is available (similar to editing
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+
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Notify your client that a new target is available (similar to editing::
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/etc/fstab for a new nfs mount)
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/etc/fstab for a new nfs mount)
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. Login to the iscsi target (similar to running "mount /my/nfs"
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. Login to the iscsi target (similar to running "mount /my/nfs"
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. Logout from the iscsi target (similar to running "umount /my/nfs"
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. Logout from the iscsi target (similar to running "umount /my/nfs"
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. {blank}
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. Delete the target from the client (similar to removing the nfs mount
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+
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Delete the target from the client (similar to removing the nfs mount::
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from /etc/fstab)
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from /etc/fstab)
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==== Logging in
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==== Logging in
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@ -115,7 +101,6 @@ iscsiadm --mode node --targetname iqn.1992-08.com.netapp:sn.118047036 --portal 1
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....
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....
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[NOTE]
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[NOTE]
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.Note
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====
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====
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`Cannot deactivate volume group`
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`Cannot deactivate volume group`
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@ -123,14 +108,12 @@ If the vgchange command fails with an error about not being able to
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deactivate the volume group, this means that one of the logical volumes
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deactivate the volume group, this means that one of the logical volumes
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is still in use. By running "lvs" you can get a list of volume groups.
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is still in use. By running "lvs" you can get a list of volume groups.
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Look in the Attr column. There are 6 attrs listed. The 5th column
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Look in the Attr column. There are 6 attrs listed. The 5th column
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usually has a '-' or an 'a'. 'a' means its active, - means it is not. To
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usually has a _-_ or an _a_. _a_ means its active, - means it is not. To
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the right of that (the last column) you will see an '-' or an 'o'. If
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the right of that (the last column) you will see an _-_ or an _o_. If
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you see an 'o' that means that logical volume is still mounted and in
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you see an _o_ that means that logical volume is still mounted and in use.
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use.
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====
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====
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[IMPORTANT]
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[IMPORTANT]
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.Important
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====
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====
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Note about creating new logical volumes
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Note about creating new logical volumes
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