8d4ce82b3c
In case both nodes are "inconsistent", invalidate would have started a resync anyways, without a chance to ever succeed, just filling the logs with warning messages. Simply disallow that state change, re-using the SS_NO_UP_TO_DATE_DISK return value. This also changes the corresponding error string to "Need access to UpToDate Data" -- I found the "Refusing to be Primary without at least one UpToDate disk" answer misleading in some situations anyways. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
113 lines
4.1 KiB
C
113 lines
4.1 KiB
C
/*
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drbd.h
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This file is part of DRBD by Philipp Reisner and Lars Ellenberg.
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Copyright (C) 2003-2008, LINBIT Information Technologies GmbH.
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Copyright (C) 2003-2008, Philipp Reisner <philipp.reisner@linbit.com>.
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Copyright (C) 2003-2008, Lars Ellenberg <lars.ellenberg@linbit.com>.
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drbd is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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drbd is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with drbd; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/drbd.h>
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static const char *drbd_conn_s_names[] = {
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[C_STANDALONE] = "StandAlone",
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[C_DISCONNECTING] = "Disconnecting",
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[C_UNCONNECTED] = "Unconnected",
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[C_TIMEOUT] = "Timeout",
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[C_BROKEN_PIPE] = "BrokenPipe",
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[C_NETWORK_FAILURE] = "NetworkFailure",
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[C_PROTOCOL_ERROR] = "ProtocolError",
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[C_WF_CONNECTION] = "WFConnection",
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[C_WF_REPORT_PARAMS] = "WFReportParams",
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[C_TEAR_DOWN] = "TearDown",
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[C_CONNECTED] = "Connected",
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[C_STARTING_SYNC_S] = "StartingSyncS",
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[C_STARTING_SYNC_T] = "StartingSyncT",
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[C_WF_BITMAP_S] = "WFBitMapS",
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[C_WF_BITMAP_T] = "WFBitMapT",
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[C_WF_SYNC_UUID] = "WFSyncUUID",
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[C_SYNC_SOURCE] = "SyncSource",
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[C_SYNC_TARGET] = "SyncTarget",
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[C_PAUSED_SYNC_S] = "PausedSyncS",
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[C_PAUSED_SYNC_T] = "PausedSyncT",
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[C_VERIFY_S] = "VerifyS",
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[C_VERIFY_T] = "VerifyT",
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};
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static const char *drbd_role_s_names[] = {
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[R_PRIMARY] = "Primary",
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[R_SECONDARY] = "Secondary",
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[R_UNKNOWN] = "Unknown"
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};
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static const char *drbd_disk_s_names[] = {
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[D_DISKLESS] = "Diskless",
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[D_ATTACHING] = "Attaching",
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[D_FAILED] = "Failed",
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[D_NEGOTIATING] = "Negotiating",
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[D_INCONSISTENT] = "Inconsistent",
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[D_OUTDATED] = "Outdated",
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[D_UNKNOWN] = "DUnknown",
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[D_CONSISTENT] = "Consistent",
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[D_UP_TO_DATE] = "UpToDate",
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};
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static const char *drbd_state_sw_errors[] = {
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[-SS_TWO_PRIMARIES] = "Multiple primaries not allowed by config",
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[-SS_NO_UP_TO_DATE_DISK] = "Need access to UpToDate data",
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[-SS_NO_LOCAL_DISK] = "Can not resync without local disk",
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[-SS_NO_REMOTE_DISK] = "Can not resync without remote disk",
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[-SS_CONNECTED_OUTDATES] = "Refusing to be Outdated while Connected",
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[-SS_PRIMARY_NOP] = "Refusing to be Primary while peer is not outdated",
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[-SS_RESYNC_RUNNING] = "Can not start OV/resync since it is already active",
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[-SS_ALREADY_STANDALONE] = "Can not disconnect a StandAlone device",
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[-SS_CW_FAILED_BY_PEER] = "State change was refused by peer node",
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[-SS_IS_DISKLESS] = "Device is diskless, the requested operation requires a disk",
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[-SS_DEVICE_IN_USE] = "Device is held open by someone",
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[-SS_NO_NET_CONFIG] = "Have no net/connection configuration",
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[-SS_NO_VERIFY_ALG] = "Need a verify algorithm to start online verify",
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[-SS_NEED_CONNECTION] = "Need a connection to start verify or resync",
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[-SS_NOT_SUPPORTED] = "Peer does not support protocol",
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[-SS_LOWER_THAN_OUTDATED] = "Disk state is lower than outdated",
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[-SS_IN_TRANSIENT_STATE] = "In transient state, retry after next state change",
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[-SS_CONCURRENT_ST_CHG] = "Concurrent state changes detected and aborted",
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};
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const char *drbd_conn_str(enum drbd_conns s)
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{
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/* enums are unsigned... */
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return s > C_PAUSED_SYNC_T ? "TOO_LARGE" : drbd_conn_s_names[s];
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}
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const char *drbd_role_str(enum drbd_role s)
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{
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return s > R_SECONDARY ? "TOO_LARGE" : drbd_role_s_names[s];
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}
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const char *drbd_disk_str(enum drbd_disk_state s)
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{
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return s > D_UP_TO_DATE ? "TOO_LARGE" : drbd_disk_s_names[s];
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}
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const char *drbd_set_st_err_str(enum drbd_state_ret_codes err)
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{
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return err <= SS_AFTER_LAST_ERROR ? "TOO_SMALL" :
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err > SS_TWO_PRIMARIES ? "TOO_LARGE"
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: drbd_state_sw_errors[-err];
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}
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