From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mga07.intel.com (mga07.intel.com [134.134.136.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ml01.01.org (Postfix) with ESMTPS id 98E4721314731 for ; Fri, 2 Aug 2019 17:11:51 -0700 (PDT) Subject: [ndctl PATCH v3 7/8] ndctl/namespace: Continue region search on 'missing seed' event From: Dan Williams Date: Fri, 02 Aug 2019 16:55:02 -0700 Message-ID: <156479010259.707590.1692301086864776830.stgit@dwillia2-desk3.amr.corp.intel.com> In-Reply-To: <156479006271.707590.298793474092813749.stgit@dwillia2-desk3.amr.corp.intel.com> References: <156479006271.707590.298793474092813749.stgit@dwillia2-desk3.amr.corp.intel.com> MIME-Version: 1.0 List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-nvdimm-bounces@lists.01.org Sender: "Linux-nvdimm" To: linux-nvdimm@lists.01.org List-ID: Consider a scenario where one region is in an error state but another is not: # ndctl list -Ru [ { "dev":"region3", "size":"127.00 GiB (136.37 GB)", "available_size":0, "max_available_extent":0, "type":"pmem", "persistence_domain":"unknown" }, { "dev":"region2", "size":"127.00 GiB (136.37 GB)", "available_size":"127.00 GiB (136.37 GB)", "max_available_extent":"127.00 GiB (136.37 GB)", "type":"pmem", "iset_id":"0xba90120012b4dc", "persistence_domain":"unknown" } ] # ndctl create-namespace -m devdax -v [..] namespace_create:887: region3: no idle namespace seed failed to create namespace: No such device Instead of failing when probing region3 for capacity, fallback to region2. # ndctl create-namespace -m devdax { "dev":"namespace2.0", "mode":"devdax", "map":"dev", "size":"125.01 GiB (134.23 GB)", "uuid":"c3fa7d2f-6c20-4762-9aa8-627d06275e03", "daxregion":{ "id":2, "size":"125.01 GiB (134.23 GB)", "align":2097152, "devices":[ { "chardev":"dax2.0", "size":"125.01 GiB (134.23 GB)" } ] }, "align":2097152 } Signed-off-by: Dan Williams --- ndctl/namespace.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/ndctl/namespace.c b/ndctl/namespace.c index 26d03358c80d..5c457224cb13 100644 --- a/ndctl/namespace.c +++ b/ndctl/namespace.c @@ -811,7 +811,7 @@ static int namespace_create(struct ndctl_region *region) if (!ndns || is_namespace_active(ndns)) { debug("%s: no %s namespace seed\n", devname, ndns ? "idle" : "available"); - return -ENODEV; + return -EAGAIN; } rc = setup_namespace(region, ndns, &p); _______________________________________________ Linux-nvdimm mailing list Linux-nvdimm@lists.01.org https://lists.01.org/mailman/listinfo/linux-nvdimm