fc4e80cba7
Resolves: RHEL-29044
Upstream: Fedora
Conflict: None
commit b6a066db5368d53a5e460ca1c948c0b43d66b1ef
Author: Philipp Rudo <prudo@redhat.com>
Date: Thu Feb 8 17:06:11 2024 +0100
Supported targets: Import from CentOS Stream 9
In CentOS Stream a list of supported targets is maintained. Where
"supported" means that these targets are tested regularly. Even though
there are some small differences between CentOS Stream and Fedora when
it comes to provided/supported packages and kernel configs, having this
list in Fedora as well makes sense. As it provides a entry point for
users to find out if a given setup is meant to work or not. Thus include
the supported-kdump-targets.txt from CentOS Stream 9 [1] into Fedora.
[1] 0a09d12d89/supported-kdump-targets.txt
Signed-off-by: Philipp Rudo <prudo@redhat.com>
Reviewed-by: Coiby Xu <coxu@redhat.com>
Signed-off-by: Lichen Liu <lichliu@redhat.com>
122 lines
3.9 KiB
Plaintext
122 lines
3.9 KiB
Plaintext
Supported Kdump Targets
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This document try to list all supported kdump targets, and those supported
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or unknown/tech-preview targets, this can help users to decide whether a dump
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solution is available.
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Dump Target support status
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==========================
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This section tries to come up with some kind of guidelines in terms of
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what dump targets are supported/not supported. Whatever is listed here
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is not binding in any manner. It is just sharing of current understanding
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and if something is not right, this section needs to be edited.
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Following are 3 lists. First one contains supported targets. These are
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generic configurations which should work and some configuration most
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likely has worked in testing. Second list is known unsupported targets.
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These targets we know either don't work or we don't support. And third
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list is unknown/tech-preview. We either don't yet know the status of kdump
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on these targets or these are under tech-preview.
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Note, these lists are not set in stone and can be changed at any point of
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time. Also these lists might not be complete. We will add/remove items to
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it as we get more testing information. Also, there are many corner cases
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which can't possibly be listed. For example in general we might be
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supporting software iscsi but there might be some configurations of it
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which don't work.
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So if any target is listed in supported section, it does not mean it works
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in all possible configurations. It just means that in common configurations
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it should work but there can be issues with particular configurations which
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are not supported. As we come to know of particular issues, we will keep on
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updating lists accordingly.
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Supported Dump targets
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----------------------
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storage:
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LVM volume
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Thin provisioning volume
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FC disks (qla2xxx, lpfc, bnx2fc, bfa)
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software initiator based iSCSI
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software RAID (mdraid)
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hardware RAID (smartpqi, hpsa, megaraid, mpt3sas, aacraid, mpi3mr)
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SCSI/SATA disks
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iSCSI HBA (all offload)
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hardware FCoE (qla2xxx, lpfc)
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software FCoE (bnx2fc) (Extra configuration required,
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please read "Note on FCoE" section below)
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NVMe-FC (qla2xxx, lpfc)
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network:
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Hardware using kernel modules: (igb, ixgbe, ice, i40e, e1000e, igc,
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tg3, bnx2x, bnxt_en, qede, cxgb4, be2net, enic, sfc, mlx4_en,
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mlx5_core, r8169, atlantic, nfp, ionic; nicvf (aarch64 only))
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protocol: ipv4
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bonding
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vlan
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bridge
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vlan tagged bonding
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bridge over bond/vlan
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hypervisor:
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kvm
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xen (Supported in select configurations only)
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filesystem:
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ext[234]
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xfs
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nfs
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virtiofs
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firmware:
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BIOS
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UEFI
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hypervisor:
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VMWare ESXi 4.x 5.x would not be tested/supported any more.
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only support ESXi 6.6, 6.7, 7.0
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Hyper-V 2012 R2 (RHEL Gen1 UP Guest only), later version will
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also be tested/supported
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Unsupported Dump targets
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------------------------
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storage:
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BIOS RAID
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Software iSCSI with iBFT (bnx2i, cxgb3i, cxgb4i)
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Software iSCSI with hybrid (be2iscsi)
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FCoE
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legacy IDE
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glusterfs
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gfs2/clvm/halvm
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network:
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hardware using kernel modules: (sfc SRIOV, cxgb4vf, pch_gbe)
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protocol: ipv6
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wireless
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Infiniband (IB)
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vlan over bridge/team
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filesystem:
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btrfs
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Unknown/tech-preview
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--------------------
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storage:
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PCI Express based SSDs
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hypervisor:
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Hyper-V 2008
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Hyper-V 2012
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Note on FCoE
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=====================
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If you are trying to dump to a software FCoE target, you may encounter OOM
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issue, because some software FCoE requires more memory to work. In such case,
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you may need to increase the kdump reserved memory size in "crashkernel="
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kernel parameter.
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For hardware FCoE, kdump should work naturally as firmware will do the
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initialization job. The capture kernel and kdump tools will run just fine.
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