https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-15712 Lustre <p>A client has observed a condition where SLV was stuck at 1 for prolonged period of time for no apparent reason. This lead to all clients not caching any locks for this service.</p> <p>Since SLV is calculated/recalculated all the time some of that logic might be flawed I guess.</p> <p>Captured values:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>ldlm.namespaces.filter-xxx-OST0000_UUID.pool.cancel_rate=0 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.client_lock_volume=0 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.grant_plan=1981373 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.grant_rate=49 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.grant_speed=49 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.granted=33966334 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.limit=1585099 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.lock_volume_factor=100 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.recalc_period=1 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.recalc_time=0 ldlm.namespaces.filter-xxx-OST0000_UUID.pool.server_lock_volume=1 SLV: 1   CLV: 0   LVF: 100   GSP: 1%   GP:  1981373   GR:  49   CR:  0   GS:  49   G:   33966334   L:   1585099 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.cancel_rate=0 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.client_lock_volume=0 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.grant_plan=1981375 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.grant_rate=14 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.grant_speed=14 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.granted=23738424 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.limit=1585100 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.lock_volume_factor=100 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.recalc_period=1 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.recalc_time=0 ldlm.namespaces.filter-xxx-OST0001_UUID.pool.server_lock_volume=1   SLV: 1   CLV: 0   LVF: 100   GSP: 1%   GP:  1981375   GR:  14   CR:  0   GS:  14   G:   23738424 L:   1585100 </pre> </div></div> LU-15712

lru_resize gets stuck with low slv value

Bug Major Open Unresolved WC Triage Oleg Drokin Fri, 1 Apr 2022 05:33:16 +0000 Mon, 4 Apr 2022 21:24:33 +0000 Lustre 2.12.8 Lustre 2.15.0 0 5 Related Development Rank 1|i02m8v: Rank (Obsolete) 9223372036854775807 Severity