From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from relay.sgi.com (relay2.corp.sgi.com [137.38.102.29]) by oss.sgi.com (Postfix) with ESMTP id 0F92229DFB for ; Mon, 11 May 2015 09:54:21 -0500 (CDT) Received: from cuda.sgi.com (cuda1.sgi.com [192.48.157.11]) by relay2.corp.sgi.com (Postfix) with ESMTP id C65A5304053 for ; Mon, 11 May 2015 07:54:20 -0700 (PDT) Received: from sandeen.net (sandeen.net [63.231.237.45]) by cuda.sgi.com with ESMTP id di1Jd5oVWUaIXXgr for ; Mon, 11 May 2015 07:54:17 -0700 (PDT) Message-ID: <5550C29A.2070206@sandeen.net> Date: Mon, 11 May 2015 09:54:18 -0500 From: Eric Sandeen MIME-Version: 1.0 Subject: Re: [ceph-users] xfs corruption, data disaster! References: <20150504161912.6ff8621b@harpe.intellique.com> <5550C11F.9090807@redhat.com> In-Reply-To: <5550C11F.9090807@redhat.com> List-Id: XFS Filesystem from SGI List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com To: Ric Wheeler , ceph-users@lists.ceph.com, Linux fs XFS T24gNS8xMS8xNSA5OjQ3IEFNLCBSaWMgV2hlZWxlciB3cm90ZToKPiBPbiAwNS8wNS8yMDE1IDA0 OjEzIEFNLCBZdWppYW4gUGVuZyB3cm90ZToKPj4gRW1tYW51ZWwgRmxvcmFjIDxlZmxvcmFjQC4u Lj4gd3JpdGVzOgo+Pgo+Pj4gTGUgTW9uLCA0IE1heSAyMDE1IDA3OjAwOjMyICswMDAwIChVVEMp Cj4+PiBZdWppYW4gUGVuZyA8cGVuZ3l1amlhbjUyMDEzMTQgPGF0PiAxMjYuY29tPiDDqWNyaXZh aXQ6Cj4+Pgo+Pj4+IEknbSBlbmNvdW50ZXJpbmcgYSBkYXRhIGRpc2FzdGVyLiBJIGhhdmUgYSBj ZXBoIGNsdXN0ZXIgd2l0aCAxNDUgb3NkLgo+Pj4+IFRoZSBkYXRhIGNlbnRlciBoYWQgYSBwb3dl ciBwcm9ibGVtIHllc3RlcmRheSwgYW5kIGFsbCBvZiB0aGUgY2VwaAo+Pj4+IG5vZGVzIHdlcmUg ZG93bi4gQnV0IG5vdyBJIGZpbmQgdGhhdCA2IGRpc2tzKHhmcykgaW4gNCBub2RlcyBoYXZlCj4+ Pj4gZGF0YSBjb3JydXB0aW9uLiBTb21lIGRpc2tzIGFyZSB1bmFibGUgdG8gbW91bnQsIGFuZCBz b21lIGRpc2tzIGhhdmUKPj4+PiBJTyBlcnJvcnMgaW4gc3lzbG9nLiBtb3VudDogU3RydWN0dXJl IG5lZWRzIGNsZWFuaW5nCj4+Pj4gICAgIHhmc19sb2dfZm9yZWNlOiBlcnJvciA1IHJldHVybmVk Cj4+Pj4gSSB0cmllZCB0byByZXBhaXIgb25lIHdpdGggeGZzX3JlcGFpciAtTCAvZGV2L3NkeDEs IGJ1dCB0aGUgY2VwaC1vc2QKPj4+PiByZXBvcnRlZCBhIGxldmVsZGIgZXJyb3I6Cj4+Pj4gICAg IEVycm9yIGluaXRpYWxpemluZyBsZXZlbGRiOiBDb3JydXB0aW9uOiBjaGVja3N1bSBtaXNtYXRj aAo+Pj4+IEkgY2Fubm90IHN0YXJ0IHRoZSA2IG9zZHMgYW5kIDIyIHBncyBpcyBkb3duLgo+Pj4+ IFRoaXMgaXMgcmVhbGx5IGEgdHJhZ2VkeSBmb3IgbWUuIENhbiB5b3UgZ2l2ZSBtZSBzb21lIGlk ZWEgdG8KPj4+PiByZWNvdmVyeSB0aGUgeGZzPyBUaGFua3MgdmVyeSBtdWNoIQo+Pj4gRm9yIFhG UyBwcm9ibGVtcywgYXNrIHRoZSBYRlMgTUw6IHhmcyA8YXQ+IG9zcy5zZ2kuY29tCj4+Pgo+Pj4g WW91IGRpZG4ndCBnaXZlIGVub3VnaCBkZXRhaWxzLCBieSBmYXIuIFdoYXQgdmVyc2lvbiBvZiBr ZXJuZWwgYW5kCj4+PiBkaXN0cm8gYXJlIHlvdSBydW5uaW5nPyBJZiB0aGVyZSB3ZXJlIGVycm9y cywgcGxlYXNlIHBvc3QgZXh0ZW5zaXZlCj4+PiBsb2dzLiBJZiB5b3UgaGF2ZSBJTyBlcnJvcnMg b24gc29tZSBkaXNrcywgeW91IHByb2JhYmx5IE1VU1QgcmVwbGFjZQo+Pj4gdGhlbSBiZWZvcmUg Z29pbmcgYW55IGZ1cnRoZXIuCj4+Pgo+Pj4gV2h5IGRpZCB5b3UgcnVuIHhmc19yZXBhaXIgLUwg PyBEaWQgeW91IHRyeSB4ZnNfcmVwYWlyIHdpdGhvdXQgb3B0aW9ucwo+Pj4gZmlyc3Q/IFdlcmUg eW91IHJ1bm5pbmcgdGhlIHZlcnkgdmVyeSBsYXRlc3QgdmVyc2lvbiBvZiB4ZnNfcmVwYWlyCj4+ PiAoMy4yLjIpID8KPj4+Cj4+IFRoZSBPUyBpcyB1YnVudHUgMTIuMDQuNSB3aXRoIGtlcm5lbCAz LjEzLjAKPj4gdW5hbWUgLWEKPj4gTGludXggY2VwaDE5IDMuMTMuMC0zMi1nZW5lcmljICM1N35w cmVjaXNlMS1VYnVudHUgU01QIFR1ZSBKdWwgMTUgMDM6NTE6MjAKPj4gVVRDIDIwMTQgeDg2XzY0 IHg4Nl82NCB4ODZfNjQgR05VL0xpbnV4Cj4+IGNhdCAvZXRjL2lzc3VlCj4+IFVidW50dSAxMi4w NC41IExUUyBcbiBcbAo+PiB4ZnNfcmVwYWlyIC1WCj4+IHhmc19yZXBhaXIgdmVyc2lvbiAzLjEu Nwo+PiBJJ3ZlIHRyaWVkIHhmc19yZXBhaXIgd2l0aG91dCBvcHRpb25zLCBidXQgaXQgc2hvd2Vk IG1lIHNvbWUgZXJyb3JzLCBzbyBJCj4+IHVzZWQgdGhlIC1MIG9wdGlvbi4KPj4gVGhhbmtzIGZv ciB5b3VyIHJlcGx5IQo+Pgo+IAo+IFJlc3BvbmRpbmcgcXVpY2tseSB0byBhIGNvdXBsZSBvZiB0 aGluZ3M6Cj4gCj4gKiB4ZnNfcmVwYWlyIC1MIHdpcGVzIG91dCB0aGUgWEZTIGxvZywgbm90IG5v cm1hbGx5IGEgZ29vZCB0aGluZyB0byBkbwoKQW5kIGlmIHJlcXVpcmVkIGR1ZSB0byBhbiB1bnJl cGxheWFibGUgbG9nLCBvZnRlbiBpbmRpY2F0ZXMgc29tZSBwcm9ibGVtCndpdGggdGhlIHN0b3Jh Z2Ugc3lzdGVtLiAgRm9yIGV4YW1wbGUgYSB2b2xhdGlsZSB3cml0ZSBjYWNoZSBub3Qgc3luY2Vk IGFzCm5lZWRlZCwgYW5kIGxvc3QgYWxvbmcgd2l0aCBhIHBvd2VyIGxvc3MsIGxlYWRpbmcgdG8g YSBjb3JydXB0ZWQgYW5kCnVucmVwbGF5YWJsZSBYRlMgbG9nLgoKPiAqIHJlcGxhY2luZyBkaXNr cyB3aXRoIElPIGVycm9ycyBpcyBub3QgYSBncmVhdCBpZGVhIGlmIHlvdSBzdGlsbAo+IG5lZWQg dGhhdCBkYXRhLiBZb3UgbWlnaHQgd2FudCB0byBjb3B5IHRoZSBkYXRhIGZyb20gdGhhdCBkaXNr IHRvIGEKPiBuZXcgZGlzayAoc2FtZSBvciBncmVhdGVyIHNpemUpIGFuZCB0aGVuIHRyeSB0byBy ZXBhaXIgdGhhdCBuZXcgZGlzay4KPiBBIGxvdCBkZXBlbmRzIG9uIHRoZSB0eXBlIG9mIElPIGVy cm9yIHlvdSBzZWUgLSB5b3UgbWlnaHQgaGF2ZSBjYWJsZQo+IGlzc3VlcywgSEJBIGlzc3Vlcywg b3IgZmFpcmx5IG5vcm1hbCByZWFkIGlzc3VlcyAod2hpY2ggYXJlIG5vdCB3b3J0aAo+IHJlcGxh Y2luZyBhIGRpc2sgZm9yKS4KCkp1c3QgYSBub3RlIHRoYXQgWEZTIHNvbWV0aW1lcyBzdGFydHMg c2F5aW5nICJJTyBlcnJvciIgd2hlbiB0aGUgZmlsZXN5c3RlbQpoYXMgc2h1dCBkb3duOyB0aGlz IGlzbid0IHRoZSBzYW1lIGFzIGEgYmxvY2stZGV2aWNlLWxldmVsIElPIGVycm9yLCBidXQgeW91 CmhhdmVuJ3QgcG9zdGVkIGxvZ3Mgb3IgYW55dGhpbmcsIHNvIEknbSBqdXN0IGd1ZXNzaW5nIGhl cmUuCgpodHRwOi8veGZzLm9yZy9pbmRleC5waHAvWEZTX0ZBUSNROl9XaGF0X2luZm9ybWF0aW9u X3Nob3VsZF9JX2luY2x1ZGVfd2hlbl9yZXBvcnRpbmdfYV9wcm9ibGVtLjNGCgotRXJpYwoKPiBZ b3Ugc2hvdWxkIHdvcmsgd2l0aCB5b3VyIHZlbmRvcidzIHN1cHBvcnQgdGVhbSBpZiB5b3UgaGF2 ZSBhIHN1cHBvcnQKPiBjb250cmFjdCBvciBwb3N0IHRoZSB0aGUgWEZTIGRldmVsIGxpc3QgKGNv cGllZCBhYm92ZSkgZm9yIGhlbHAuCj4gCj4gR29vZCBsdWNrIQo+IAo+IFJpYwo+IAo+IAo+IAo+ IF9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCj4geGZzIG1h aWxpbmcgbGlzdAo+IHhmc0Bvc3Muc2dpLmNvbQo+IGh0dHA6Ly9vc3Muc2dpLmNvbS9tYWlsbWFu L2xpc3RpbmZvL3hmcwoKX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX18KeGZzIG1haWxpbmcgbGlzdAp4ZnNAb3NzLnNnaS5jb20KaHR0cDovL29zcy5zZ2kuY29t L21haWxtYW4vbGlzdGluZm8veGZzCg==