From mboxrd@z Thu Jan 1 00:00:00 1970 From: GuangYang Subject: RE: Upgrade/rollback Date: Fri, 13 Feb 2015 01:45:28 +0000 Message-ID: References: ,,,, Mime-Version: 1.0 Content-Type: text/plain; charset="gb2312" Content-Transfer-Encoding: base64 Return-path: Received: from blu004-omc2s1.hotmail.com ([65.55.111.76]:52078 "EHLO BLU004-OMC2S1.hotmail.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751126AbbBMBp3 (ORCPT ); Thu, 12 Feb 2015 20:45:29 -0500 In-Reply-To: Sender: ceph-devel-owner@vger.kernel.org List-ID: To: Gregory Farnum Cc: "ceph-devel@vger.kernel.org" LS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLS0tLQo+IERhdGU6IFRodSwgMTIg RmViIDIwMTUgMDY6NTc6MTkgLTA4MDAKPiBTdWJqZWN0OiBSZTogVXBncmFkZS9yb2xsYmFjawo+ IEZyb206IGdyZWdAZ3JlZ3M0Mi5jb20KPiBUbzogeWd1YW5nMTFAb3V0bG9vay5jb20KPiBDQzog Y2VwaC1kZXZlbEB2Z2VyLmtlcm5lbC5vcmcKPgo+IE9uIFRodSwgRmViIDEyLCAyMDE1IGF0IDEy OjQ4IEFNLCBHdWFuZ1lhbmcgPHlndWFuZzExQG91dGxvb2suY29tPiB3cm90ZToKPj4gVGhhbmtz IFNhZ2UgYW5kIEdyZWcgZm9yIHRoZSByZXNwb25zZS4KPj4KPj4+IDIpIGhhdmluZyBhIHNlcGFy YXRlIHN3aXRjaG92ZXIgcG9pbnQgKGJlc2lkZXMgdGhlIGNvZGUgdXBncmFkZSkgd2hpY2gKPj4+ IGVuYWJsZXMgYWxsIHRoZSBkaXNrIGNoYW5nZSBiaXRzIGFuZCB3aGljaCBkb2Vzbid0IGFsbG93 IHlvdSB0byByb2xsCj4+PiBiYWNrLgo+PiBMZXQgbWUgZ2l2ZSB0d28gZXhhbXBsZXMgd2hpY2gg cHJldmVudCB1cyByb2xsYmFjayBmcm9tIEdpYW50IHRvIEZpcmVmbHkuCj4+Cj4+IEV4YW1wbGUg IzE6Cj4+IEluIEdpYW50LCB0aGVyZSBpcyBhIG5ldyBmZWF0dXJlIGZsYWcgJ0NFUEhfRkVBVFVS RV9FUkFTVVJFX0NPREVfUExVR0lOU19WMicgYWRkZWQvcGVyc2lzdGVkLCBhbmQgbW9uaXRvciB3 b3VsZCBjaGVjayB0aGUgcGVyc2lzdGVkIGxpc3QgYWdhaW5zdCB0aGUgbGlzdCByZWxlYXNlZCBh bG9uZyB3aXRoIHRoZSBzb2Z0d2FyZSB2ZXJzaW9uIHVwb24gc3RhcnRpbmcsIGl0IHJlZnVzZSB0 byBzdGFydCBpZiB0aGUgbGlzdCBtaXNtYXRjaC4gSG93ZXZlciwgYWx0aG91Z2ggdGhlIGZlYXR1 cmUgaXMgYWRkZWQgaW4gR2lhbnQsIGl0IGlzIG5vdCBiZWluZyB1c2VkIHVudGlsIHdlIGNyZWF0 ZSBhIG5ldyBwb29sIHdpdGggdGhlIHByb2ZpbGUsIHdoaWNoIGlzIHZlcnkgdW5saWtlbHkgdG8g aGFwcGVuLgo+PiAxKSBpcyBpdCBwb3NzaWJsZSB0byBwZXJzaXN0IHRoZSBuZXcgZmVhdHVyZSBi aXQgd2hlbiB0aGUgZmVhdHVyZSBpcyBiZWluZyB1c2VkICh0aGlzIGxvb2tzIGxpa2UgY29tcGxp Y2F0ZWQgdG8gaW1wbGVtZW50KS4gMikgV2hlbiBsb2FkaW5nIHRoZSBwZXJzaXN0ZWQgYml0LCBp cyBpdCBwb3NzaWJsZSB0byBjaGVjayBpZiBpdCBpcyBhY3R1YWxseSB1c2VkIGJ5IHNvbWVvbmU/ Cj4+Cj4+IEV4YW1wbGUgIzI6Cj4+IFBhdGNoIFsxXSBhZGRlZCBhIG5ldyBrL3YgdG8gdGhlIFBH IGxvZyB3aGljaCBjYW5ub3QgYmUgcmVjb2duaXplZCBieSBvbGQgdmVyc2lvbiBvZiBiaW5hcnkg KFBHTG9nOjpyZWFkX2xvZyksIGFzIGEgcmVzdWx0LCBpdCB0YWtlcyB0aGUgbmV3bHkgYWRkZWQg ZW50cnkgYXMgYSBwZ19sb2dfZW50cnkuCj4+IElzIGl0IHBvc3NpYmxlIHRvIHJlY29nbml6ZSBw Z19sb2dfZW50cnkgd2l0aCBhIGNvbmNyZXRlIHBhdHRlcm4gYW5kIGp1c3QgaWdub3JlIHRob3Nl IHRoYXQgdGhlIGJpbmFyeSBjYW5ub3QgcmVjb2duaXplPwo+Pgo+Pgo+PiBGb3IgdGhlcmUgdHdv IGNhc2VzLCB3ZSBtYXkgYmUgYWJsZSB0byBlcmFzZSB0aGUgbmV3bHkgYWRkZWQgZW50cmllcyBh bmQgdGhlbiByb2xsIGJhY2sgKGNvcnJlY3QgbWUgaWYgSSBhbSB3cm9uZyBoZXJlKSwgYnV0IEkg dGhpbmsgdGhlcmUgbWlnaHQgYmUgbW9yZSBjb21wbGljYXRlZCBjYXNlcyB3aGljaCBtYWtlIHRo ZSByb2xsYmFjayBpbXBvc3NpYmxlLiBBbmQgYWNjZXB0IHRoYXQgcmlzayBmb3IgdXBncmFkaW5n Lgo+Cj4gRm9yIHRoZXNlIHR3byBzcGVjaWZpYyBjYXNlcywgbWF5YmUuIEJ1dCB5b3UncmUgbWlz c2luZyBtb3JlCj4gZnVuZGFtZW50YWwgdGhpbmdzOiBvZnRlbiBjaGFuZ2VzIHRvIGRhdGEgc3Ry dWN0dXJlcyBhcmUgYWJvdXQKPiBiZWhhdmlvciBjaGFuZ2VzIHRoYXQgdGhlIGRhZW1vbiBuZWVk cyB0byB1bmRlcnN0YW5kIGluIG9yZGVyIHRvIG1ha2UKPiBhbnkgc2Vuc2Ugb2YgdGhlIGRhdGEu IEZvciBpbnN0YW5jZSwgYW55IHVwZ3JhZGVzIHRvIENSVVNIIG5lZWQgdG8gYmUKPiB1bmRlcnN0 b29kIGJ5IGV2ZXJ5Ym9keSBwYXJ0aWNpcGF0aW5nIGluIHRoZSBjbHVzdGVyLiBXZSBjb3VsZAo+ IG5hcnJvd2x5IGhhdmUgdGhlIHBhcnNpbmcgY29kZSBpZ25vcmUgYW55dGhpbmcgaXQgZG9lc24n dCB1bmRlcnN0YW5kLAo+IGJ1dCB0aGVuIHdoZW4gaXQgZG9lcyBjYWxjdWxhdGlvbnMgYWJvdXQg cGFzdF9pbnRlcnZhbHMgb3IgY3VycmVudAo+IG1hcHBpbmdzIGl0IHdvdWxkIGJlIHdyb25nIQo+ Cj4gT3IgaW4gdGhlIGV4YW1wbGUgIzIgeW91IGhhdmUsIHRoZSBleHRyYSBkYXRhIGlzIGEgYnVn IGZpeCB0aGF0Cj4gcHJldmVudHMgdGhlIE9TRCBkb2luZyBleHRyYSB3b3JrLiBCdXQgd2hhdCBp ZiBpdCB3YXMgYWN0dWFsbHkgYWJvdXQKPiBjaGFuZ2luZyB0aGUgc2hhcmVkIFBHIHN0YXRlPyBJ biB0aGF0IGNhc2UgeW91IG1pZ2h0IGhhdmUgT1NEcyB3aXRoCj4gdGhlaXIgUEcgaW4gZGlmZmVy ZW50IHN0YXRlcyBkZXBlbmRpbmcgb24gaG93IGZhciB0aGV5J2QgZ290dGVuIHdoZW4KPiByb2xs ZWQgYmFjayB0byB0aGUgb2xkIGNvZGUuCj4KPiBJdCdzIGp1c3Qgbm90IGEgZmVhc2libGUgcHJv YmxlbSwgYmVjYXVzZSB3aGlsZSB0aGVyZSBhcmUgcGxlbnR5IG9mCj4gdGhpbmdzIHRoYXQgd2Ug Y291bGQgcm91dGUgYXJvdW5kLCB3ZSBzdGlsbCBmYWNlIHRoZSBpbmV2aXRhYmxlCj4gY29sbGlz aW9uIHBvaW50IEkgZGVzY3JpYmVkIHdoZW4gd2UgZG8gYWRkIGRhdGEgb2Ygc2hhcmVkIGltcG9y dC4gOigKVGhhdCBtYWtlcyB0b3RhbCBzZW5zZS4gVGhhbmtzIEdyZWchCgo+IC1HcmVnCj4gLS0K PiBUbyB1bnN1YnNjcmliZSBmcm9tIHRoaXMgbGlzdDogc2VuZCB0aGUgbGluZSAidW5zdWJzY3Jp YmUgY2VwaC1kZXZlbCIgaW4KPiB0aGUgYm9keSBvZiBhIG1lc3NhZ2UgdG8gbWFqb3Jkb21vQHZn ZXIua2VybmVsLm9yZwo+IE1vcmUgbWFqb3Jkb21vIGluZm8gYXQgaHR0cDovL3ZnZXIua2VybmVs Lm9yZy9tYWpvcmRvbW8taW5mby5odG1sCiAJCSAJICAgCQkgIA==